From b97098fc42a93b01372ef5325f1cbecaf8d55a8c Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus@fleschutz.de>
Date: Thu, 15 Jul 2021 15:51:22 +0200
Subject: [PATCH] Add datatype to param()

---
 Scripts/MD5.ps1                   |  5 +++--
 Scripts/SHA1.ps1                  |  5 +++--
 Scripts/SHA256.ps1                |  5 +++--
 Scripts/add-memo.ps1              |  2 +-
 Scripts/alert.ps1                 |  8 +++-----
 Scripts/check-drive-space.ps1     |  2 +-
 Scripts/check-file-system.ps1     |  2 +-
 Scripts/check-ipv4-address.ps1    |  2 +-
 Scripts/check-ipv6-address.ps1    |  2 +-
 Scripts/check-mac-address.ps1     |  2 +-
 Scripts/check-symlinks.ps1        |  2 +-
 Scripts/check-weather.ps1         |  2 +-
 Scripts/check-xml-file.ps1        |  8 +++-----
 Scripts/cherry-picker.ps1         | 10 +++++-----
 Scripts/clean-repo.ps1            |  2 +-
 Scripts/clean-repos.ps1           |  2 +-
 Scripts/clone-repos.ps1           |  2 +-
 Scripts/close-program.ps1         | 18 +++++++++---------
 Scripts/configure-git.ps1         |  9 +++++----
 Scripts/convert-csv2txt.ps1       |  5 +++--
 Scripts/convert-mysql2csv.ps1     | 13 +++++++------
 Scripts/convert-ps2bat.ps1        |  5 +++--
 Scripts/convert-sql2csv.ps1       | 13 +++++++------
 Scripts/convert-txt2wav.ps1       |  7 ++++---
 Scripts/create-branch.ps1         |  5 +++--
 Scripts/create-shortcut.ps1       |  9 +++++----
 Scripts/create-symlink.ps1        |  9 +++++----
 Scripts/create-tag.ps1            |  5 +++--
 Scripts/download-dir.ps1          |  5 +++--
 Scripts/download-file.ps1         |  5 +++--
 Scripts/edit.ps1                  |  2 +-
 Scripts/encrypt-file.ps1          |  2 +-
 Scripts/fetch-repo.ps1            |  2 +-
 Scripts/fetch-repos.ps1           |  2 +-
 Scripts/generate-qrcode.ps1       |  7 ++++---
 Scripts/inspect-exe.ps1           |  8 +++-----
 Scripts/install-signal-cli.ps1    |  5 +++--
 Scripts/list-anagrams.ps1         |  2 +-
 Scripts/list-branches.ps1         |  2 +-
 Scripts/list-commits.ps1          |  2 +-
 Scripts/list-dir-tree.ps1         |  2 +-
 Scripts/list-dir.ps1              |  2 +-
 Scripts/list-empty-dirs.ps1       |  2 +-
 Scripts/list-empty-files.ps1      |  8 +++-----
 Scripts/list-files.ps1            |  5 +++--
 Scripts/list-fritzbox-calls.ps1   |  3 ++-
 Scripts/list-fritzbox-devices.ps1 |  3 ++-
 Scripts/list-hidden-files.ps1     |  2 +-
 Scripts/list-latest-tag.ps1       |  2 +-
 Scripts/list-news.ps1             |  2 +-
 Scripts/list-os-updates.ps1       |  2 +-
 Scripts/list-submodules.ps1       |  2 +-
 Scripts/list-tags.ps1             |  2 +-
 Scripts/list-unused-files.ps1     |  2 +-
 Scripts/list-weather.ps1          |  2 +-
 Scripts/locate-city.ps1           |  5 +++--
 Scripts/locate-ipaddress.ps1      |  5 +++--
 Scripts/locate-zip-code.ps1       |  7 ++++---
 Scripts/make-repo.ps1             |  2 +-
 Scripts/make-repos.ps1            |  2 +-
 Scripts/new-email.ps1             |  2 +-
 Scripts/open-browser.ps1          |  2 +-
 Scripts/play-files.ps1            |  2 +-
 Scripts/play-m3u.ps1              |  5 +++--
 Scripts/play-mp3.ps1              |  5 +++--
 Scripts/pull-repo.ps1             |  2 +-
 Scripts/pull-repos.ps1            |  2 +-
 Scripts/query-smart-data.ps1      |  2 +-
 Scripts/reboot-fritzbox.ps1       |  2 +-
 Scripts/remove-empty-dirs.ps1     |  5 +++--
 Scripts/search-files.ps1          |  7 ++++---
 Scripts/send-tcp.ps1              |  9 +++++----
 Scripts/send-udp.ps1              |  9 +++++----
 Scripts/set-timer.ps1             |  3 ++-
 Scripts/set-wallpaper.ps1         |  2 +-
 Scripts/simulate-presence.ps1     |  5 +++--
 Scripts/smart-data2csv.ps1        |  2 +-
 Scripts/speak-checklist.ps1       |  5 +++--
 Scripts/speak-english.ps1         |  5 +++--
 Scripts/speak-epub.ps1            |  2 +-
 Scripts/speak-file.ps1            |  5 +++--
 Scripts/speak-german.ps1          |  3 ++-
 Scripts/speak-text.ps1            |  5 +++--
 Scripts/switch-branch.ps1         |  5 +++--
 Scripts/switch-shelly1.ps1        |  9 +++++----
 Scripts/sync-repo.ps1             |  2 +-
 Scripts/take-screenshot.ps1       |  2 +-
 Scripts/take-screenshots.ps1      |  2 +-
 Scripts/translate-file.ps1        | 10 +++++-----
 Scripts/translate-files.ps1       |  5 +++--
 Scripts/translate-text.ps1        |  5 +++--
 Scripts/upload-file.ps1           | 22 +++++++++++-----------
 Scripts/wakeup.ps1                |  7 ++++---
 Scripts/weather-report.ps1        |  2 +-
 Scripts/weather.ps1               |  2 +-
 Scripts/what-is.ps1               |  5 +++--
 Scripts/write-big.ps1             |  2 +-
 Scripts/write-blue.ps1            |  2 +-
 Scripts/write-braille.ps1         |  2 +-
 Scripts/write-green.ps1           |  3 ++-
 Scripts/write-lowercase.ps1       |  3 ++-
 Scripts/write-marquee.ps1         |  2 +-
 Scripts/write-morse-code.ps1      |  2 +-
 Scripts/write-red.ps1             |  1 +
 Scripts/write-rot13.ps1           |  2 +-
 Scripts/write-typewriter.ps1      |  2 +-
 Scripts/write-uppercase.ps1       |  3 ++-
 Scripts/write-vertical.ps1        |  5 +++--
 Scripts/zip-dir.ps1               |  7 ++++---
 109 files changed, 256 insertions(+), 216 deletions(-)

diff --git a/Scripts/MD5.ps1 b/Scripts/MD5.ps1
index acdeb4c5..97f7c776 100755
--- a/Scripts/MD5.ps1
+++ b/Scripts/MD5.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "")
-if ($File -eq "" ) { $File = read-host "Enter path to file" }
+param([string]$File = "")
 
 try {
+	if ($File -eq "" ) { $File = read-host "Enter path to file" }
+
 	$Result = get-filehash $File -algorithm MD5
 	"MD5 hash is" $Result.Hash
 	exit 0
diff --git a/Scripts/SHA1.ps1 b/Scripts/SHA1.ps1
index 237462a6..2dff3f98 100755
--- a/Scripts/SHA1.ps1
+++ b/Scripts/SHA1.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "")
-if ($File -eq "" ) { $File = read-host "Enter the filename" }
+param([string]$File = "")
 
 try {
+	if ($File -eq "" ) { $File = read-host "Enter the filename" }
+
 	$Result = get-filehash $File -algorithm SHA1
 	write-output "SHA1 hash is" $Result.Hash
 	exit 0
diff --git a/Scripts/SHA256.ps1 b/Scripts/SHA256.ps1
index 8e8e5235..44017076 100755
--- a/Scripts/SHA256.ps1
+++ b/Scripts/SHA256.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "")
-if ($File -eq "" ) { $File = read-host "Enter the filename" }
+param([string]$File = "")
 
 try {
+	if ($File -eq "" ) { $File = read-host "Enter the filename" }
+
 	$Result = get-filehash $File -algorithm SHA256
 	write-output "SHA256 hash is:" $Result.Hash
 	exit 0
diff --git a/Scripts/add-memo.ps1 b/Scripts/add-memo.ps1
index 5f66d6e4..b3811d12 100755
--- a/Scripts/add-memo.ps1
+++ b/Scripts/add-memo.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
 if ($Text -eq "" ) { $Text = read-host "Enter the memo text to add" }
 
 try {
diff --git a/Scripts/alert.ps1 b/Scripts/alert.ps1
index 56fd9ec3..4fe96d98 100755
--- a/Scripts/alert.ps1
+++ b/Scripts/alert.ps1
@@ -11,13 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Message = "")
-
-if ($Message -eq "" ) {
-	$URL = read-host "Enter alert message"
-}
+param([string]$Message = "")
 
 try {
+	if ($Message -eq "" ) { $URL = read-host "Enter alert message" }
+
 	echo "ALERT: $Message"
 
 	curl --header "Access-Token: o.PZl5XCp6SBl4F5PpaNXGDfFpUJZKAlEb" --header "Content-Type: application/json" --data-binary '{"type": "note", "title": "ALERT", "body": "$Message"}' --request POST https://api.pushbullet.com/v2/pushes
diff --git a/Scripts/check-drive-space.ps1 b/Scripts/check-drive-space.ps1
index dc6a135b..8231398c 100755
--- a/Scripts/check-drive-space.ps1
+++ b/Scripts/check-drive-space.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Drive = "", [int]$MinLevel = 20) # minimum level in GB
+param([string]$Drive = "", [int]$MinLevel = 20) # minimum level in GB
 
 if ($Drive -eq "" ) { $Drive = read-host "Enter drive to check" }
 
diff --git a/Scripts/check-file-system.ps1 b/Scripts/check-file-system.ps1
index f1cec0aa..c6d6b1ac 100755
--- a/Scripts/check-file-system.ps1
+++ b/Scripts/check-file-system.ps1
@@ -13,7 +13,7 @@
 
 #Requires -RunAsAdministrator
 
-param($Drive = "")
+param([string]$Drive = "")
 
 if ($Drive -eq "" ) {
 	$Drive = read-host "Enter drive (letter) to check"
diff --git a/Scripts/check-ipv4-address.ps1 b/Scripts/check-ipv4-address.ps1
index 31bbc3ec..5f5183a9 100755
--- a/Scripts/check-ipv4-address.ps1
+++ b/Scripts/check-ipv4-address.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Address = "")
+param([string]$Address = "")
 
 function IsIPv4AddressValid { param([string]$IP)
 	$RegEx = "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
diff --git a/Scripts/check-ipv6-address.ps1 b/Scripts/check-ipv6-address.ps1
index 2e0c24c5..3e5c561f 100755
--- a/Scripts/check-ipv6-address.ps1
+++ b/Scripts/check-ipv6-address.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Address = "")
+param([string]$Address = "")
 
 function IsIPv6AddressValid { param([string]$IP)
     $IPv4Regex = '(((25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})\.){3}(25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))'
diff --git a/Scripts/check-mac-address.ps1 b/Scripts/check-mac-address.ps1
index ae421116..6eb46cd9 100755
--- a/Scripts/check-mac-address.ps1
+++ b/Scripts/check-mac-address.ps1
@@ -12,7 +12,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($MAC = "")
+param([string]$MAC = "")
 
 function IsMACAddressValid { param([string]$mac)
 	$RegEx = "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})|([0-9A-Fa-f]{2}){6}$"
diff --git a/Scripts/check-symlinks.ps1 b/Scripts/check-symlinks.ps1
index f721637a..ae3ea695 100755
--- a/Scripts/check-symlinks.ps1
+++ b/Scripts/check-symlinks.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "")
+param([string]$DirTree = "")
 
 if ($DirTree -eq "" ) {
 	$DirTree = read-host "Enter the path to the directory tree"
diff --git a/Scripts/check-weather.ps1 b/Scripts/check-weather.ps1
index 9ae83bfa..e7c80174 100755
--- a/Scripts/check-weather.ps1
+++ b/Scripts/check-weather.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Location = "") # empty means determine automatically
+param([string]$Location = "") # empty means determine automatically
 
 function Check { param([int]$Value, [int]$NormalMin,  [int]$NormalMax, [string]$Unit)  
 	if ($Value -lt $NormalMin) {
diff --git a/Scripts/check-xml-file.ps1 b/Scripts/check-xml-file.ps1
index 6853677a..9bb5fbe0 100755
--- a/Scripts/check-xml-file.ps1
+++ b/Scripts/check-xml-file.ps1
@@ -11,13 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "")
-
-if ($File -eq "" ) {
-	$File = read-host "Enter path to XML file"
-}
+param([string]$File = "")
 
 try {
+	if ($File -eq "" ) { $File = read-host "Enter path to XML file" }
+
 	$XmlFile = Get-Item $File
 	
 	$script:ErrorCount = 0
diff --git a/Scripts/cherry-picker.ps1 b/Scripts/cherry-picker.ps1
index 6e8a11c8..eb8a6294 100755
--- a/Scripts/cherry-picker.ps1
+++ b/Scripts/cherry-picker.ps1
@@ -11,13 +11,13 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($CommitID = "", $CommitMessage = "", $Branches = "", $RepoDir = "$PWD")
-
-if ($CommitID -eq "" ) { $CommitID = read-host "Enter the commit id to cherry-pick" }
-if ($CommitMessage -eq "" ) { $CommitMessage = read-host "Enter the commit message to use" }
-if ($Branches -eq "" ) { $Branches = read-host "Enter the target branches separated by spaces" }
+param([string]$CommitID = "", [string]$CommitMessage = "", [string]$Branches = "", [string]$RepoDir = "$PWD")
 
 try {
+	if ($CommitID -eq "") { $CommitID = read-host "Enter the commit id to cherry-pick" }
+	if ($CommitMessage -eq "") { $CommitMessage = read-host "Enter the commit message to use" }
+	if ($Branches -eq "") { $Branches = read-host "Enter the target branches separated by spaces" }
+
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
 	set-location "$RepoDir"
 
diff --git a/Scripts/clean-repo.ps1 b/Scripts/clean-repo.ps1
index 79569991..95fd04ec 100755
--- a/Scripts/clean-repo.ps1
+++ b/Scripts/clean-repo.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 try {
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
diff --git a/Scripts/clean-repos.ps1 b/Scripts/clean-repos.ps1
index bea2411b..d2d292a0 100755
--- a/Scripts/clean-repos.ps1
+++ b/Scripts/clean-repos.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($ParentDir = "$PWD")
+param([string]$ParentDir = "$PWD")
 
 try {
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
diff --git a/Scripts/clone-repos.ps1 b/Scripts/clone-repos.ps1
index 4fece3e8..15bc1278 100755
--- a/Scripts/clone-repos.ps1
+++ b/Scripts/clone-repos.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($ParentDir = "$PWD")
+param([string]$ParentDir = "$PWD")
 
 try {
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
diff --git a/Scripts/close-program.ps1 b/Scripts/close-program.ps1
index e063d262..257eff77 100755
--- a/Scripts/close-program.ps1
+++ b/Scripts/close-program.ps1
@@ -11,17 +11,17 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($FullProgramName = "", $ProgramName = "", $ProgramAliasName = "")
-
-if ($ProgramName -eq "") {
-	get-process | where-object {$_.mainWindowTitle} | format-table Id, Name, mainWindowtitle -AutoSize
-	$ProgramName = read-host "Enter program name"
-}
-if ($FullProgramName -eq "") {
-	$FullProgramName = $ProgramName
-}
+param([string]$FullProgramName = "", [string]$ProgramName = "", [string]$ProgramAliasName = "")
 
 try {
+	if ($ProgramName -eq "") {
+		get-process | where-object {$_.mainWindowTitle} | format-table Id, Name, mainWindowtitle -AutoSize
+		$ProgramName = read-host "Enter program name"
+	}
+	if ($FullProgramName -eq "") {
+		$FullProgramName = $ProgramName
+	}
+
 	$Processes = get-process -name $ProgramName -errorAction 'silentlycontinue'
 	if ($Processes.Count -ne 0) {
 		foreach ($Process in $Processes) {
diff --git a/Scripts/configure-git.ps1 b/Scripts/configure-git.ps1
index c6f6b75c..5ba56481 100755
--- a/Scripts/configure-git.ps1
+++ b/Scripts/configure-git.ps1
@@ -11,12 +11,13 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($FullName = "", $EmailAddress = "", $FavoriteEditor = "")
-if ($FullName -eq "") { $FullName = read-host "Enter your full name" }
-if ($EmailAddress -eq "") { $EmailAddress = read-host "Enter your e-mail address"}
-if ($FavoriteEditor -eq "") { $FavoriteEditor = read-host "Enter your favorite text editor (emacs,nano,vi,vim,...)" }
+param([string]$FullName = "", [string]$EmailAddress = "", [string]$FavoriteEditor = "")
 
 try {
+	if ($FullName -eq "") { $FullName = read-host "Enter your full name" }
+	if ($EmailAddress -eq "") { $EmailAddress = read-host "Enter your e-mail address"}
+	if ($FavoriteEditor -eq "") { $FavoriteEditor = read-host "Enter your favorite text editor (emacs,nano,vi,vim,...)" }
+
 	$Null = (git --version)
 	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
 
diff --git a/Scripts/convert-csv2txt.ps1 b/Scripts/convert-csv2txt.ps1
index 2c8d735b..7393e6c6 100755
--- a/Scripts/convert-csv2txt.ps1
+++ b/Scripts/convert-csv2txt.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Path = "")
-if ($Path -eq "" ) { $Path = read-host "Enter path to CSV file" }
+param([string]$Path = "")
 
 try {
+	if ($Path -eq "" ) { $Path = read-host "Enter path to CSV file" }
+
 	$Table = Import-CSV -path "$Path" -header A,B,C,D,E,F,G,H
 
 	foreach($Row in $Table) {
diff --git a/Scripts/convert-mysql2csv.ps1 b/Scripts/convert-mysql2csv.ps1
index 7dd7ff7e..28442a9d 100755
--- a/Scripts/convert-mysql2csv.ps1
+++ b/Scripts/convert-mysql2csv.ps1
@@ -12,14 +12,15 @@
 #>
 
 
-param($server = "", $database = "", $username = "", $password = "", $query = "")
-if ($server -eq "") { $server = read-host "Enter the hostname/IP address of the MySQL server" }
-if ($database -eq "") { $database = read-host "Enter the database name" }
-if ($username -eq "") { $username = read-host "Enter the database username" }
-if ($password -eq "") { $password = read-host "Enter the database user password" }
-if ($query -eq "") { $query = read-host "Enter the database query" }
+param([string]$server = "", [string]$database = "", [string]$username = "", [string]$password = "", [string]$query = "")
 
 try {
+	if ($server -eq "") { $server = read-host "Enter the hostname/IP address of the MySQL server" }
+	if ($database -eq "") { $database = read-host "Enter the database name" }
+	if ($username -eq "") { $username = read-host "Enter the database username" }
+	if ($password -eq "") { $password = read-host "Enter the database user password" }
+	if ($query -eq "") { $query = read-host "Enter the database query" }
+
 	$csvfilepath = "$PSScriptRoot\mysql_table.csv"
 	$result = Invoke-MySqlQuery  -ConnectionString "server=$server; database=$database; user=$username; password=$password; pooling = false; convert zero datetime=True" -Sql $query -CommandTimeout 10000
 	$result | Export-Csv $csvfilepath -NoTypeInformation
diff --git a/Scripts/convert-ps2bat.ps1 b/Scripts/convert-ps2bat.ps1
index eaf28640..5bbe60a9 100644
--- a/Scripts/convert-ps2bat.ps1
+++ b/Scripts/convert-ps2bat.ps1
@@ -11,8 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Pattern = "")
-if ($Pattern -eq "") { $Pattern = read-host "Enter path to the PowerShell script(s)" }
+param([string]$Pattern = "")
 
 function Convert-PowerShellToBatch
 {
@@ -33,6 +32,8 @@ function Convert-PowerShellToBatch
 }
  
 try {
+	if ($Pattern -eq "") { $Pattern = read-host "Enter path to the PowerShell script(s)" }
+
 	$Files = get-childItem -path "$Pattern"
 	foreach ($File in $Files) {
 		Convert-PowerShellToBatch "$File"
diff --git a/Scripts/convert-sql2csv.ps1 b/Scripts/convert-sql2csv.ps1
index 025a381a..ad697b57 100755
--- a/Scripts/convert-sql2csv.ps1
+++ b/Scripts/convert-sql2csv.ps1
@@ -11,14 +11,15 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($server = "", $database = "", $username = "", $password = "", $query = "")
-if ($server -eq "") { $server = read-host "Enter the hostname/IP address of the SQL server" }
-if ($database -eq "") { $database = read-host "Enter the database name" }
-if ($username -eq "") { $username = read-host "Enter the database username" }
-if ($password -eq "") { $password = read-host "Enter the database user password" }
-if ($query -eq "") { $query = read-host "Enter the database query" }
+param([string]$server = "", [string]$database = "", [string]$username = "", [string]$password = "", [string]$query = "")
 
 try {
+	if ($server -eq "") { $server = read-host "Enter the hostname/IP address of the SQL server" }
+	if ($database -eq "") { $database = read-host "Enter the database name" }
+	if ($username -eq "") { $username = read-host "Enter the database username" }
+	if ($password -eq "") { $password = read-host "Enter the database user password" }
+	if ($query -eq "") { $query = read-host "Enter the database query" }
+
 	$secpasswd = ConvertTo-SecureString $password -AsPlainText -Force
 	$creds = New-Object System.Management.Automation.PSCredential ($username, $secpasswd)
 	$csvfilepath = "$PSScriptRoot\sqlserver_table.csv"
diff --git a/Scripts/convert-txt2wav.ps1 b/Scripts/convert-txt2wav.ps1
index 1ccc0ec2..64e3b028 100755
--- a/Scripts/convert-txt2wav.ps1
+++ b/Scripts/convert-txt2wav.ps1
@@ -11,11 +11,12 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "", $WavFile = "")
-if ($Text -eq "") { $Text = read-host "Enter text to speak" }
-if ($WavFile -eq "") { $WavFile = read-host "Enter .WAV file to save to" }
+param([string]$Text = "", [string]$WavFile = "")
 
 try {
+	if ($Text -eq "") { $Text = read-host "Enter text to speak" }
+	if ($WavFile -eq "") { $WavFile = read-host "Enter .WAV file to save to" }
+
 	Add-Type -AssemblyName System.Speech
 	$SpeechSynthesizer = New-Object System.Speech.Synthesis.SpeechSynthesizer
 	$SpeechSynthesizer.SetOutputToWaveFile($tWavFile)
diff --git a/Scripts/create-branch.ps1 b/Scripts/create-branch.ps1
index d9479928..3dbb48be 100755
--- a/Scripts/create-branch.ps1
+++ b/Scripts/create-branch.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($NewBranchName = "", $RepoDir = "$PWD")
-if ($NewBranchName -eq "") { $NewBranchName = read-host "Enter new branch name" }
+param([string]$NewBranchName = "", [string]$RepoDir = "$PWD")
 
 try {
+	if ($NewBranchName -eq "") { $NewBranchName = read-host "Enter new branch name" }
+
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
 
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/create-shortcut.ps1 b/Scripts/create-shortcut.ps1
index 32d5d2b4..38e17732 100755
--- a/Scripts/create-shortcut.ps1
+++ b/Scripts/create-shortcut.ps1
@@ -11,12 +11,13 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Shortcut = "", $Target = "", $Description)
-if ($Shortcut -eq "" ) { $Shortcut = read-host "Enter filename of shortcut" }
-if ($Target -eq "" ) { $Target = read-host "Enter path to target" }
-if ($Description -eq "" ) { $Description = read-host "Enter description" }
+param([string]$Shortcut = "", [string]$Target = "", [string]$Description)
 
 try {
+	if ($Shortcut -eq "" ) { $Shortcut = read-host "Enter filename of shortcut" }
+	if ($Target -eq "" ) { $Target = read-host "Enter path to target" }
+	if ($Description -eq "" ) { $Description = read-host "Enter description" }
+
 	$sh = new-object -ComObject WScript.Shell
 	$shortcut = $sh.CreateShortcut("$Shortcut.lnk")
 	$shortcut.TargetPath = "$Target"
diff --git a/Scripts/create-symlink.ps1 b/Scripts/create-symlink.ps1
index aeafed85..030263db 100755
--- a/Scripts/create-symlink.ps1
+++ b/Scripts/create-symlink.ps1
@@ -11,14 +11,15 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Symlink = "", $Target = "")
-if ($Symlink -eq "" ) { $Symlink = read-host "Enter filename of symlink" }
-if ($Target -eq "" ) { $Target = read-host "Enter path to target" }
+param([string]$Symlink = "", $[string]Target = "")
 
 try {
+	if ($Symlink -eq "" ) { $Symlink = read-host "Enter filename of symlink" }
+	if ($Target -eq "" ) { $Target = read-host "Enter path to target" }
+
 	new-item -path "$Symlink" -itemType SymbolicLink -Value "$Target"
 
-	write-host -foregroundColor green "✔️ symlink $Symlink created (pointing to $Target)"
+	"✔️ created symlink $Symlink (pointing to $Target)"
 	exit 0
 } catch {
 	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
diff --git a/Scripts/create-tag.ps1 b/Scripts/create-tag.ps1
index 4779228c..86ec4e77 100755
--- a/Scripts/create-tag.ps1
+++ b/Scripts/create-tag.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($NewTagName = "", $RepoDir = "$PWD")
-if ($NewTagName -eq "") { $NewTagName = read-host "Enter new tag name" }
+param([string]$NewTagName = "", [string]$RepoDir = "$PWD")
 
 try {
+	if ($NewTagName -eq "") { $NewTagName = read-host "Enter new tag name" }
+
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
 	set-location "$RepoDir"
 
diff --git a/Scripts/download-dir.ps1 b/Scripts/download-dir.ps1
index 2d264144..6bba214c 100755
--- a/Scripts/download-dir.ps1
+++ b/Scripts/download-dir.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($URL = "")
-if ($URL -eq "") { $URL = read-host "Enter directory URL to download" }
+param([string]$URL = "")
 
 try {
+	if ($URL -eq "") { $URL = read-host "Enter directory URL to download" }
+
 	& wget --version
 	if ($lastExitCode -ne "0") { throw "Can't execute 'wget' - make sure wget is installed and available" }
 
diff --git a/Scripts/download-file.ps1 b/Scripts/download-file.ps1
index f759e822..5b331f8b 100755
--- a/Scripts/download-file.ps1
+++ b/Scripts/download-file.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($URL = "")
-if ($URL -eq "") { $URL = read-host "Enter file URL to download" }
+param([string]$URL = "")
 
 try {
+	if ($URL -eq "") { $URL = read-host "Enter file URL to download" }
+
 	& wget --version
 	if ($lastExitCode -ne "0") { throw "Can't execute 'wget' - make sure wget is installed and available" }
 
diff --git a/Scripts/edit.ps1 b/Scripts/edit.ps1
index 0f6d7ef4..4775a01d 100755
--- a/Scripts/edit.ps1
+++ b/Scripts/edit.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Filename = "")
+param([string]$Filename = "")
 
 try {
 	if ($IsLinux) {
diff --git a/Scripts/encrypt-file.ps1 b/Scripts/encrypt-file.ps1
index 2ddb9b4b..5bd6d766 100755
--- a/Scripts/encrypt-file.ps1
+++ b/Scripts/encrypt-file.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Path = "", $Password = "")
+param([string]$Path = "", [string]$Password = "")
 
 function EncryptFile {
 <#
diff --git a/Scripts/fetch-repo.ps1 b/Scripts/fetch-repo.ps1
index adc3812e..5c34c650 100755
--- a/Scripts/fetch-repo.ps1
+++ b/Scripts/fetch-repo.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/fetch-repos.ps1 b/Scripts/fetch-repos.ps1
index 19699243..0223f7f7 100755
--- a/Scripts/fetch-repos.ps1
+++ b/Scripts/fetch-repos.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($ParentDir = "$PWD")
+param([string]$ParentDir = "$PWD")
 
 try {
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
diff --git a/Scripts/generate-qrcode.ps1 b/Scripts/generate-qrcode.ps1
index 3c214f58..889b5366 100755
--- a/Scripts/generate-qrcode.ps1
+++ b/Scripts/generate-qrcode.ps1
@@ -11,11 +11,12 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "", $ImageSize = "")
-if ($Text -eq "") { $Text = read-host "Enter text or URL" }
-if ($ImageSize -eq "") { $ImageSize = read-host "Enter image size (e.g. 500x500)" }
+param([string]$Text = "", [string]$ImageSize = "")
 
 try {
+	if ($Text -eq "") { $Text = read-host "Enter text or URL" }
+	if ($ImageSize -eq "") { $ImageSize = read-host "Enter image size (e.g. 500x500)" }
+
 	$ECC = "M" # can be L, M, Q, H
 	$QuietZone = 1
 	$ForegroundColor = "000000"
diff --git a/Scripts/inspect-exe.ps1 b/Scripts/inspect-exe.ps1
index 9c387780..4e57b763 100755
--- a/Scripts/inspect-exe.ps1
+++ b/Scripts/inspect-exe.ps1
@@ -11,13 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($PathToExe = "")
-
-if ($PathToExe -eq "" ) {
-	$PathToExe = read-host "Enter path to executable file"
-}
+param([string]$PathToExe = "")
 
 try {
+	if ($PathToExe -eq "" ) { $PathToExe = read-host "Enter path to executable file" }
+
 	get-childitem $PathToExe | % {$_.VersionInfo} | Select *
 	exit 0
 } catch {
diff --git a/Scripts/install-signal-cli.ps1 b/Scripts/install-signal-cli.ps1
index c869ecd3..daddc02b 100755
--- a/Scripts/install-signal-cli.ps1
+++ b/Scripts/install-signal-cli.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Version = "")
-if ($Version -eq "") { $Version = read-host "Enter version to install (see https://github.com/AsamK/signal-cli)" }
+param([string]$Version = "")
 
 try {
+	if ($Version -eq "") { $Version = read-host "Enter version to install (see https://github.com/AsamK/signal-cli)" }
+
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
 
 	set-location /tmp
diff --git a/Scripts/list-anagrams.ps1 b/Scripts/list-anagrams.ps1
index 97615863..09df75c0 100755
--- a/Scripts/list-anagrams.ps1
+++ b/Scripts/list-anagrams.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Word = "", [int]$Columns = 8)
+param([string]$Word = "", [int]$Columns = 8)
 
 function GetPermutations {
     [cmdletbinding()]
diff --git a/Scripts/list-branches.ps1 b/Scripts/list-branches.ps1
index 12e0c9b8..821c82fb 100755
--- a/Scripts/list-branches.ps1
+++ b/Scripts/list-branches.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD", $Pattern = "*")
+param([string]$RepoDir = "$PWD", [string]$Pattern = "*")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/list-commits.ps1 b/Scripts/list-commits.ps1
index 40b26218..aba017ac 100755
--- a/Scripts/list-commits.ps1
+++ b/Scripts/list-commits.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD", $Format = "compact")
+param([string]$RepoDir = "$PWD", [string]$Format = "compact")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/list-dir-tree.ps1 b/Scripts/list-dir-tree.ps1
index 43c0df58..a90b0d13 100755
--- a/Scripts/list-dir-tree.ps1
+++ b/Scripts/list-dir-tree.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "$PWD")
+param([string]$DirTree = "$PWD")
 
 function ListDir { param([string]$Directory, [int]$Depth)
 	$Depth++
diff --git a/Scripts/list-dir.ps1 b/Scripts/list-dir.ps1
index ed67bbe1..d7fa3267 100755
--- a/Scripts/list-dir.ps1
+++ b/Scripts/list-dir.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Pattern = "*")
+param([string]$Pattern = "*")
 
 function ListDir { param([string]$Pattern)
 	$Items = get-childItem -path "$Pattern"
diff --git a/Scripts/list-empty-dirs.ps1 b/Scripts/list-empty-dirs.ps1
index b30e69bf..cb8a0a5e 100755
--- a/Scripts/list-empty-dirs.ps1
+++ b/Scripts/list-empty-dirs.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "$PWD")
+param([string]$DirTree = "$PWD")
 
 try {
 	$DirTree = resolve-path "$DirTree/"
diff --git a/Scripts/list-empty-files.ps1 b/Scripts/list-empty-files.ps1
index 1bf1227a..77806c89 100755
--- a/Scripts/list-empty-files.ps1
+++ b/Scripts/list-empty-files.ps1
@@ -11,13 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "")
-
-if ($DirTree -eq "" ) {
-	$DirTree = read-host "Enter the path to the directory tree"
-}
+param([string]$DirTree = "")
 
 try {
+	if ($DirTree -eq "" ) { $DirTree = read-host "Enter the path to the directory tree" }
+
 	[int]$Count = 0
 	write-progress "Listing empty files in $DirTree ..."
 	get-childItem $DirTree -attributes !Directory -recurse | where {$_.Length -eq 0} | foreach-object {
diff --git a/Scripts/list-files.ps1 b/Scripts/list-files.ps1
index b6773ea2..c830135d 100755
--- a/Scripts/list-files.ps1
+++ b/Scripts/list-files.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "")
-if ($DirTree -eq "" ) { $DirTree = read-host "Enter path to directory tree" }
+param([string]$DirTree = "")
 
 try {
+	if ($DirTree -eq "" ) { $DirTree = read-host "Enter path to directory tree" }
+
 	Get-ChildItem -path $DirTree -recurse | select FullName
 	exit 0
 } catch {
diff --git a/Scripts/list-fritzbox-calls.ps1 b/Scripts/list-fritzbox-calls.ps1
index fed69697..47c213f7 100755
--- a/Scripts/list-fritzbox-calls.ps1
+++ b/Scripts/list-fritzbox-calls.ps1
@@ -13,7 +13,8 @@
 
 #Requires -Version 3
 
-param($Username = "", $Password = "")
+param([string]$Username = "", [string]$Password = "")
+
 if ($Username -eq "") { $Username = read-host "Enter username for FRITZ!Box" }
 if ($Password -eq "") { $Password = read-host "Enter password for FRITZ!Box" }
 
diff --git a/Scripts/list-fritzbox-devices.ps1 b/Scripts/list-fritzbox-devices.ps1
index 87efd958..a52587c8 100755
--- a/Scripts/list-fritzbox-devices.ps1
+++ b/Scripts/list-fritzbox-devices.ps1
@@ -13,7 +13,8 @@
 
 #Requires -Version 3
 
-param($Username = "", $Password = "")
+param([string]$Username = "", [string]$Password = "")
+
 if ($Username -eq "") { $Username = read-host "Enter username for FRITZ!Box" }
 if ($Password -eq "") { $Password = read-host "Enter password for FRITZ!Box" }
 
diff --git a/Scripts/list-hidden-files.ps1 b/Scripts/list-hidden-files.ps1
index 2e296996..d97d1f20 100755
--- a/Scripts/list-hidden-files.ps1
+++ b/Scripts/list-hidden-files.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "$PWD")
+param([string]$DirTree = "$PWD")
 
 try {
 	$DirTree = resolve-path "$DirTree"
diff --git a/Scripts/list-latest-tag.ps1 b/Scripts/list-latest-tag.ps1
index c0fcb15b..be417005 100755
--- a/Scripts/list-latest-tag.ps1
+++ b/Scripts/list-latest-tag.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/list-news.ps1 b/Scripts/list-news.ps1
index 70e5792c..7d3f521d 100755
--- a/Scripts/list-news.ps1
+++ b/Scripts/list-news.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RSS_URL = "https://yahoo.com/news/rss/world", [int]$MaxCount = 20)
+param([string]$RSS_URL = "https://yahoo.com/news/rss/world", [int]$MaxCount = 20)
 
 try {
 	[xml]$Content = (invoke-webRequest -uri $RSS_URL -useBasicParsing).Content
diff --git a/Scripts/list-os-updates.ps1 b/Scripts/list-os-updates.ps1
index b23e197b..6d782add 100755
--- a/Scripts/list-os-updates.ps1
+++ b/Scripts/list-os-updates.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RSS_URL = "https://distrowatch.com/news/dwd.xml", [int]$MaxCount = 20)
+param([string]$RSS_URL = "https://distrowatch.com/news/dwd.xml", [int]$MaxCount = 20)
 
 try {
 	& "$PSScriptRoot/write-big.ps1" "OS Updates"
diff --git a/Scripts/list-submodules.ps1 b/Scripts/list-submodules.ps1
index 66a3ba4d..76d64af3 100644
--- a/Scripts/list-submodules.ps1
+++ b/Scripts/list-submodules.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/list-tags.ps1 b/Scripts/list-tags.ps1
index 37f2e67a..321ca53e 100755
--- a/Scripts/list-tags.ps1
+++ b/Scripts/list-tags.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD", $Pattern="*")
+param([string]$RepoDir = "$PWD", [string]$Pattern="*")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/list-unused-files.ps1 b/Scripts/list-unused-files.ps1
index 806fd82e..a2e2d353 100755
--- a/Scripts/list-unused-files.ps1
+++ b/Scripts/list-unused-files.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "", [int]$NumberOfDaysUnused = 99)
+param([string]$DirTree = "", [int]$NumberOfDaysUnused = 99)
 
 write-host "Listing files in $DirTree with last access time older than $NumberOfDaysUnused days"
 
diff --git a/Scripts/list-weather.ps1 b/Scripts/list-weather.ps1
index 7e9a6739..9f01170d 100755
--- a/Scripts/list-weather.ps1
+++ b/Scripts/list-weather.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Location = "") # empty means determine automatically
+param([string]$Location = "") # empty means determine automatically
 
 try {
 	$Weather = (invoke-webRequest -uri http://wttr.in/${Location}?format=j1 -userAgent "curl" -useBasicParsing).Content | ConvertFrom-Json
diff --git a/Scripts/locate-city.ps1 b/Scripts/locate-city.ps1
index 1ce8d214..ab496d67 100755
--- a/Scripts/locate-city.ps1
+++ b/Scripts/locate-city.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($City = "")
-if ($City -eq "" ) { $City = read-host "Enter the city name" }
+param([string]$City = "")
 
 try {
+	if ($City -eq "" ) { $City = read-host "Enter the city name" }
+
 	write-progress "Reading worldcities.csv..."
 	$Table = import-csv "$PSScriptRoot/../Data/worldcities.csv"
 
diff --git a/Scripts/locate-ipaddress.ps1 b/Scripts/locate-ipaddress.ps1
index 90d92fe3..72cfcfce 100755
--- a/Scripts/locate-ipaddress.ps1
+++ b/Scripts/locate-ipaddress.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($IPaddr = "")
-if ($IPaddr -eq "" ) { $IPaddr = read-host "Enter IP address to locate" }
+param([string]$IPaddr = "")
 
 try {
+	if ($IPaddr -eq "" ) { $IPaddr = read-host "Enter IP address to locate" }
+
 	$result = Invoke-RestMethod -Method Get -Uri "http://ip-api.com/json/$IPaddr"
 	write-output $result
 	exit 0
diff --git a/Scripts/locate-zip-code.ps1 b/Scripts/locate-zip-code.ps1
index f2686904..73a82ce9 100755
--- a/Scripts/locate-zip-code.ps1
+++ b/Scripts/locate-zip-code.ps1
@@ -11,11 +11,12 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($CountryCode = "", $ZipCode = "")
-if ($CountryCode -eq "" ) { $CountryCode = read-host "Enter the country code" }
-if ($ZipCode -eq "" ) { $ZipCode = read-host "Enter the zip code" }
+param([string]$CountryCode = "", [string]$ZipCode = "")
 
 try {
+	if ($CountryCode -eq "" ) { $CountryCode = read-host "Enter the country code" }
+	if ($ZipCode -eq "" ) { $ZipCode = read-host "Enter the zip code" }
+
 	write-progress "Reading zip-codes.csv..."
 	$Table = import-csv "$PSScriptRoot/../Data/zip-codes.csv"
 
diff --git a/Scripts/make-repo.ps1 b/Scripts/make-repo.ps1
index b51fa2df..9e405d82 100755
--- a/Scripts/make-repo.ps1
+++ b/Scripts/make-repo.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 function MakeDir { param($Path)
 	$DirName = (get-item "$Path").Name
diff --git a/Scripts/make-repos.ps1 b/Scripts/make-repos.ps1
index 41e47500..67dd68d4 100755
--- a/Scripts/make-repos.ps1
+++ b/Scripts/make-repos.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($ParentDir = "$PWD")
+param([string]$ParentDir = "$PWD")
 
 try {
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
diff --git a/Scripts/new-email.ps1 b/Scripts/new-email.ps1
index 1680f9bf..9f70b902 100755
--- a/Scripts/new-email.ps1
+++ b/Scripts/new-email.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($EmailAddress = "markus@fleschutz.de")
+param([string]$EmailAddress = "markus@fleschutz.de")
 
 try {
 	$URL="mailto:$EmailAddress"
diff --git a/Scripts/open-browser.ps1 b/Scripts/open-browser.ps1
index 8f802615..ad796ca3 100755
--- a/Scripts/open-browser.ps1
+++ b/Scripts/open-browser.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($URL = "http://www.fleschutz.de")
+param([string]$URL = "http://www.fleschutz.de")
 
 try {
 	Start-Process $URL
diff --git a/Scripts/play-files.ps1 b/Scripts/play-files.ps1
index 3b411efd..a9d7c55f 100755
--- a/Scripts/play-files.ps1
+++ b/Scripts/play-files.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Pattern = "*")
+param([string]$Pattern = "*")
 
 try {
 	$Files = (get-childItem -path "$Pattern" -attributes !Directory)
diff --git a/Scripts/play-m3u.ps1 b/Scripts/play-m3u.ps1
index 994809e5..042eaee3 100755
--- a/Scripts/play-m3u.ps1
+++ b/Scripts/play-m3u.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Filename = "")
-if ($Filename -eq "" ) { $Filename = read-host "Enter the M3U playlist filename" }
+param([string]$Filename = "")
 
 try {
+	if ($Filename -eq "" ) { $Filename = read-host "Enter the M3U playlist filename" }
+
 	if (-not(test-path "$Filename" -pathType leaf)) { throw "Can't access playlist file: $Filename" }
 	$Lines = get-content $Filename
 
diff --git a/Scripts/play-mp3.ps1 b/Scripts/play-mp3.ps1
index c4aa9062..97aaa1d2 100755
--- a/Scripts/play-mp3.ps1
+++ b/Scripts/play-mp3.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Filename = "")
-if ($Filename -eq "" ) { $Filename = read-host "Enter the MP3 filename" }
+param([string]$Filename = "")
 
 try {
+	if ($Filename -eq "" ) { $Filename = read-host "Enter the MP3 filename" }
+
 	if (-not(test-path "$Filename" -pathType leaf)) { throw "Can't access audio file: $Filename" }
 	$FullPath = (get-childItem $Filename).fullname
 	$Filename = (get-item "$FullPath").name
diff --git a/Scripts/pull-repo.ps1 b/Scripts/pull-repo.ps1
index 71cd53db..c03d949d 100755
--- a/Scripts/pull-repo.ps1
+++ b/Scripts/pull-repo.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 try {
 	"🢃 Pulling updates..."
diff --git a/Scripts/pull-repos.ps1 b/Scripts/pull-repos.ps1
index ba54c600..b2f34491 100755
--- a/Scripts/pull-repos.ps1
+++ b/Scripts/pull-repos.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($ParentDir = "$PWD")
+param([string]$ParentDir = "$PWD")
 
 try {
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
diff --git a/Scripts/query-smart-data.ps1 b/Scripts/query-smart-data.ps1
index 4e68c361..69f0fa0f 100755
--- a/Scripts/query-smart-data.ps1
+++ b/Scripts/query-smart-data.ps1
@@ -16,7 +16,7 @@
 
 #Requires -RunAsAdministrator
 
-param($Directory = "")
+param([string]$Directory = "")
 
 
 function CheckIfInstalled {
diff --git a/Scripts/reboot-fritzbox.ps1 b/Scripts/reboot-fritzbox.ps1
index 3fdc69fb..ce97f785 100755
--- a/Scripts/reboot-fritzbox.ps1
+++ b/Scripts/reboot-fritzbox.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($USERNAME = "", $PASSWORD = "")
+param([string]$USERNAME = "", [string]$PASSWORD = "")
 if ($USERNAME -eq "") {
 	$USERNAME = read-host "Enter username for FRITZ!Box"
 }
diff --git a/Scripts/remove-empty-dirs.ps1 b/Scripts/remove-empty-dirs.ps1
index 7f114a8c..be75f328 100755
--- a/Scripts/remove-empty-dirs.ps1
+++ b/Scripts/remove-empty-dirs.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($DirTree = "")
-if ($DirTree -eq "" ) { $DirTree = read-host "Enter the path to the directory tree" }
+param([string]$DirTree = "")
 
 try {
+	if ($DirTree -eq "" ) { $DirTree = read-host "Enter the path to the directory tree" }
+
 	$Folders = @()
 	foreach ($Folder in (Get-ChildItem -path  "$DirTree" -Recurse | Where { $_.PSisContainer })) {
 		$Folders += New-Object PSObject -Property @{
diff --git a/Scripts/search-files.ps1 b/Scripts/search-files.ps1
index ca273c6f..f8a81d69 100755
--- a/Scripts/search-files.ps1
+++ b/Scripts/search-files.ps1
@@ -11,9 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Pattern = "", $Path = "")
-if ($Pattern -eq "" ) { $Pattern = read-host "Enter search pattern" }
-if ($Path -eq "" ) { $Path = read-host "Enter path to files" }
+param([string]$Pattern = "", [string]$Path = "")
 
 function ListScripts { param([string]$Pattern, [string]$Path)
 	$List = Select-String -Path $Path -Pattern "$Pattern" 
@@ -28,6 +26,9 @@ function ListScripts { param([string]$Pattern, [string]$Path)
 }
 
 try {
+	if ($Pattern -eq "" ) { $Pattern = read-host "Enter search pattern" }
+	if ($Path -eq "" ) { $Path = read-host "Enter path to files" }
+
 	ListScripts $Pattern $Path | format-table -property Path,Line,Text
 	exit 0
 } catch {
diff --git a/Scripts/send-tcp.ps1 b/Scripts/send-tcp.ps1
index 75f94468..a00c000c 100755
--- a/Scripts/send-tcp.ps1
+++ b/Scripts/send-tcp.ps1
@@ -11,12 +11,13 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($TargetIP = "", [int]$TargetPort = 0, $Message = "")
-if ($TargetIP -eq "" ) { $TargetIP = read-host "Enter target IP address" }
-if ($TargetPort -eq 0 ) { $TargetPort = read-host "Enter target port" }
-if ($Message -eq "" ) { $Message = read-host "Enter message to send" }
+param([string]$TargetIP = "", [int]$TargetPort = 0, [string]$Message = "")
 
 try {
+	if ($TargetIP -eq "" ) { $TargetIP = read-host "Enter target IP address" }
+	if ($TargetPort -eq 0 ) { $TargetPort = read-host "Enter target port" }
+	if ($Message -eq "" ) { $Message = read-host "Enter message to send" }
+
         $IP = [System.Net.Dns]::GetHostAddresses($TargetIP) 
         $Address = [System.Net.IPAddress]::Parse($IP) 
         $Socket = New-Object System.Net.Sockets.TCPClient($Address,$TargetPort) 
diff --git a/Scripts/send-udp.ps1 b/Scripts/send-udp.ps1
index fdb63bfc..e2bfb25e 100755
--- a/Scripts/send-udp.ps1
+++ b/Scripts/send-udp.ps1
@@ -11,12 +11,13 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($TargetIP = "", [int]$TargetPort = 0, $Message = "")
-if ($TargetIP -eq "" ) { $TargetIP = read-host "Enter target IP address" }
-if ($TargetPort -eq 0 ) { $TargetPort = read-host "Enter target port" }
-if ($Message -eq "" ) { $Message = read-host "Enter message to send" }
+param([string]$TargetIP = "", [int]$TargetPort = 0, $[string]Message = "")
 
 try {
+	if ($TargetIP -eq "" ) { $TargetIP = read-host "Enter target IP address" }
+	if ($TargetPort -eq 0 ) { $TargetPort = read-host "Enter target port" }
+	if ($Message -eq "" ) { $Message = read-host "Enter message to send" }
+
 	$IP = [System.Net.Dns]::GetHostAddresses($TargetIP) 
 	$Address = [System.Net.IPAddress]::Parse($IP) 
 	$EndPoints = New-Object System.Net.IPEndPoint($Address, $TargetPort) 
diff --git a/Scripts/set-timer.ps1 b/Scripts/set-timer.ps1
index b67ce2d8..4f77b16a 100755
--- a/Scripts/set-timer.ps1
+++ b/Scripts/set-timer.ps1
@@ -12,9 +12,10 @@
 #>
 
 param([int]$Seconds = 0)
-if ($Seconds -eq 0 ) { [int]$Seconds = read-host "Enter number of seconds" }
 
 try {
+	if ($Seconds -eq 0 ) { [int]$Seconds = read-host "Enter number of seconds" }
+
 	for ($i = $Seconds; $i -gt 0; $i--) {
 		clear-host
 		./write-big "T-$i seconds"
diff --git a/Scripts/set-wallpaper.ps1 b/Scripts/set-wallpaper.ps1
index 0256eb56..c418a1ed 100755
--- a/Scripts/set-wallpaper.ps1
+++ b/Scripts/set-wallpaper.ps1
@@ -12,7 +12,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($ImageFile = "", $Style = "Fit")
+param([string]$ImageFile = "", [string]$Style = "Fit")
 
 function SetWallPaper {
 	param([string]$Image, [ValidateSet('Fill', 'Fit', 'Stretch', 'Tile', 'Center', 'Span')][string]$Style)
diff --git a/Scripts/simulate-presence.ps1 b/Scripts/simulate-presence.ps1
index 6b5f242c..fcc0c4e0 100755
--- a/Scripts/simulate-presence.ps1
+++ b/Scripts/simulate-presence.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($IPaddress = "")
-if ($IPaddress -eq "" ) { $IPaddress = read-host "Enter IP address of Shelly1 device" }
+param([string]$IPaddress = "")
 
 try {
+	if ($IPaddress -eq "" ) { $IPaddress = read-host "Enter IP address of Shelly1 device" }
+
 	for ([int]$i = 0; $i -lt 1000; $i++) {
 		& "$PSScriptRoot/switch-shelly1.ps1" $IPaddress on 0
 		start-sleep -s 10
diff --git a/Scripts/smart-data2csv.ps1 b/Scripts/smart-data2csv.ps1
index de1caf00..f03891a5 100755
--- a/Scripts/smart-data2csv.ps1
+++ b/Scripts/smart-data2csv.ps1
@@ -12,7 +12,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Directory = "")
+param([string]$Directory = "")
 
 function WriteCsvHeader { param([PSCustomObject]$File) 
 	foreach($Entry in $File.ata_smart_attributes.table) {
diff --git a/Scripts/speak-checklist.ps1 b/Scripts/speak-checklist.ps1
index 374ea723..1cec10de 100755
--- a/Scripts/speak-checklist.ps1
+++ b/Scripts/speak-checklist.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Name = "")
-if ($Name -eq "") { $Name = read-host "Enter the name of the checklist" }
+param([string]$Name = "")
 
 try {
+	if ($Name -eq "") { $Name = read-host "Enter the name of the checklist" }
+
 	$Lines = Get-Content -path "$PSScriptRoot/../Data/Checklists/$Name.txt"
 	clear-host
 	$Step = 1
diff --git a/Scripts/speak-english.ps1 b/Scripts/speak-english.ps1
index 945de9fa..fff5b519 100755
--- a/Scripts/speak-english.ps1
+++ b/Scripts/speak-english.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
-if ("$Text" -eq "") { $Text = read-host "Enter the text to speak" }
+param([string]$Text = "")
 
 try {
+	if ("$Text" -eq "") { $Text = read-host "Enter the text to speak" }
+
 	$Voice = new-object -ComObject SAPI.SPVoice
 	$Voices = $Voice.GetVoices()
 	foreach ($OtherVoice in $Voices) {
diff --git a/Scripts/speak-epub.ps1 b/Scripts/speak-epub.ps1
index f9fb7ffa..c586bc9c 100755
--- a/Scripts/speak-epub.ps1
+++ b/Scripts/speak-epub.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Filename = "")
+param([string]$Filename = "")
 
 function Speak { param([string]$Text)
 	write-output "$Text"
diff --git a/Scripts/speak-file.ps1 b/Scripts/speak-file.ps1
index 825aa83b..448644c5 100755
--- a/Scripts/speak-file.ps1
+++ b/Scripts/speak-file.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "")
-if ($File -eq "") { $File = read-host "Enter path to text file" }
+param([string]$File = "")
 
 try {
+	if ($File -eq "") { $File = read-host "Enter path to text file" }
+
 	$Text = Get-Content $File
 
 	$Voice = new-object -ComObject SAPI.SPVoice
diff --git a/Scripts/speak-german.ps1 b/Scripts/speak-german.ps1
index 7889390c..be723a8f 100755
--- a/Scripts/speak-german.ps1
+++ b/Scripts/speak-german.ps1
@@ -12,9 +12,10 @@
 #>
 
 param([string]$Text = "")
-if ($Text -eq "") { $Text = read-host "Enter the text to speak" }
 
 try {
+	if ($Text -eq "") { $Text = read-host "Enter the text to speak" }
+
 	$Voice = new-object -ComObject SAPI.SPVoice
 	$Voices = $Voice.GetVoices()
 	foreach ($OtherVoice in $Voices) {
diff --git a/Scripts/speak-text.ps1 b/Scripts/speak-text.ps1
index 52089322..9f1003a4 100755
--- a/Scripts/speak-text.ps1
+++ b/Scripts/speak-text.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
-if ($Text -eq "") { $Text = read-host "Enter the text to speak" }
+param([string]$Text = "")
 
 try {
+	if ($Text -eq "") { $Text = read-host "Enter the text to speak" }
+
 	$Voice = new-object -ComObject SAPI.SPVoice
 	$Result = $Voice.Speak($Text)
 	exit 0
diff --git a/Scripts/switch-branch.ps1 b/Scripts/switch-branch.ps1
index b02a307f..777780cd 100755
--- a/Scripts/switch-branch.ps1
+++ b/Scripts/switch-branch.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($BranchName = "", $RepoDir = "$PWD")
-if ($BranchName -eq "") { $BranchName = read-host "Enter name of branch to switch to" }
+param([string]$BranchName = "", [string]$RepoDir = "$PWD")
 
 try {
+	if ($BranchName -eq "") { $BranchName = read-host "Enter name of branch to switch to" }
+
 	$RepoDir = resolve-path "$RepoDir"
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
 	set-location "$RepoDir"
diff --git a/Scripts/switch-shelly1.ps1 b/Scripts/switch-shelly1.ps1
index 8248c981..c0a7f414 100755
--- a/Scripts/switch-shelly1.ps1
+++ b/Scripts/switch-shelly1.ps1
@@ -11,12 +11,13 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Host = "", $TurnMode = "", [int]$Timer = -999)
-if ($Host -eq "") { $Host = read-host "Enter hostname or IP address of the Shelly1 device" }
-if ($TurnMode -eq "") { $TurnMode = read-host "Enter turn mode (on/off/toggle)" }
-if ($Timer -eq -999) { [int]$Timer = read-host "Enter timer in seconds (0=endless)" }
+param([string]$Host = "", [string]$TurnMode = "", [int]$Timer = -999)
 
 try {
+	if ($Host -eq "") { $Host = read-host "Enter hostname or IP address of the Shelly1 device" }
+	if ($TurnMode -eq "") { $TurnMode = read-host "Enter turn mode (on/off/toggle)" }
+	if ($Timer -eq -999) { [int]$Timer = read-host "Enter timer in seconds (0=endless)" }
+
 	$Result = Invoke-RestMethod "http://$($Host)/relay/0?turn=$($TurnMode)&timer=$($Timer)"
 	
 	write-host -foregroundColor green "✔️ Shelly1 device at $Host switched to $TurnMode for $Timer second(s)"
diff --git a/Scripts/sync-repo.ps1 b/Scripts/sync-repo.ps1
index 50a5abba..44b0e0ee 100644
--- a/Scripts/sync-repo.ps1
+++ b/Scripts/sync-repo.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($RepoDir = "$PWD")
+param([string]$RepoDir = "$PWD")
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
diff --git a/Scripts/take-screenshot.ps1 b/Scripts/take-screenshot.ps1
index 55729e51..31365c77 100755
--- a/Scripts/take-screenshot.ps1
+++ b/Scripts/take-screenshot.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Directory = "$PWD")
+param([string]$Directory = "$PWD")
 
 function TakeScreenshot { param([string]$FilePath)
 	Add-Type -Assembly System.Windows.Forms            
diff --git a/Scripts/take-screenshots.ps1 b/Scripts/take-screenshots.ps1
index 6f046315..4e76c6e5 100755
--- a/Scripts/take-screenshots.ps1
+++ b/Scripts/take-screenshots.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Directory = "$PWD", [int]$Interval = 60)
+param([string]$Directory = "$PWD", [int]$Interval = 60)
 
 function TakeScreenshot { param([string]$FilePath)
 	Add-Type -Assembly System.Windows.Forms            
diff --git a/Scripts/translate-file.ps1 b/Scripts/translate-file.ps1
index c427605d..94fcbbce 100755
--- a/Scripts/translate-file.ps1
+++ b/Scripts/translate-file.ps1
@@ -11,11 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "", $SourceLang = "", $TargetLang = "")
-
-if ($File -eq "" ) { $File = read-host "Enter path to file" }
-if ($SourceLang -eq "" ) { $SourceLang = read-host "Enter language used in this file" }
-if ($TargetLang -eq "" ) { $TargetLang = read-host "Enter language to translate to" }
+param([string]$File = "", [string]$SourceLang = "", [string]$TargetLang = "")
 
 function UseLibreTranslate { param([string]$Text, [string]$SourceLang, [string]$TargetLang)
 	$Parameters = @{"q"="$Text"; "source"="$SourceLang"; "target"="$TargetLang"; }
@@ -25,6 +21,10 @@ function UseLibreTranslate { param([string]$Text, [string]$SourceLang, [string]$
 }
 
 try {
+	if ($File -eq "" ) { $File = read-host "Enter path to file" }
+	if ($SourceLang -eq "" ) { $SourceLang = read-host "Enter language used in this file" }
+	if ($TargetLang -eq "" ) { $TargetLang = read-host "Enter language to translate to" }
+
 	$Lines = Get-Content -path $File
 	foreach($Line in $Lines) {
 		if ("$Line" -eq "") { write-output "$Line"; continue }
diff --git a/Scripts/translate-files.ps1 b/Scripts/translate-files.ps1
index 1336c43a..531ab182 100755
--- a/Scripts/translate-files.ps1
+++ b/Scripts/translate-files.ps1
@@ -11,8 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($FilePattern = "")
-if ($FilePattern -eq "" ) { $FilePattern = read-host "Enter the file pattern" }
+param([string]$FilePattern = "")
 
 function DetectSourceLang { param([string]$Filename)
 	if ("$Filename" -like "*Deutsch*") { return "de" }
@@ -30,6 +29,8 @@ function TranslateFilename { param([string]$Filename, [string]$SourceLang, [stri
 }
 
 try {
+	if ($FilePattern -eq "" ) { $FilePattern = read-host "Enter the file pattern" }
+
 	$TargetLanguages = "ar","zh","fr","de","hi","ga","it","ja","ko","pt","ru","es"
 	$SourceFiles = get-childItem -path "$FilePattern"
 	foreach($SourceFile in $SourceFiles) {
diff --git a/Scripts/translate-text.ps1 b/Scripts/translate-text.ps1
index 9ef15301..3b0fe257 100755
--- a/Scripts/translate-text.ps1
+++ b/Scripts/translate-text.ps1
@@ -11,8 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "", $SourceLang = "en", $TargetLang = "any")
-if ($Text -eq "" ) { $Text = read-host "Enter text in English to translate" }
+param([string]$Text = "", [string]$SourceLang = "en", [string]$TargetLang = "any")
 
 function Language2Code { param([string]$Language)
 	$Code = switch($Language) {
@@ -50,6 +49,8 @@ function UseArgosTranslateCLI { param([string]$Text, [string]$SourceLang, [strin
 }
 
 try {
+	if ($Text -eq "" ) { $Text = read-host "Enter text in English to translate" }
+
 	if ($TargetLang -eq "any") {
 		$TargetLanguages = "Arabic","Chinese","French","German","Hindi","Irish","Italian","Japanese","Korean","Portuguese","Russian","Spanish"
 		foreach($TargetLang in $TargetLanguages) {
diff --git a/Scripts/upload-file.ps1 b/Scripts/upload-file.ps1
index ae82827b..e38b1132 100644
--- a/Scripts/upload-file.ps1
+++ b/Scripts/upload-file.ps1
@@ -11,19 +11,19 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($File = "", $URL = "", $Username = "", $Password = "")
-
-if ($File -eq "") { $File = read-host "Enter local file to upload" }
-if ($URL -eq "") { $URL = read-host "Enter URL of FTP server" }
-if ($Username -eq "") { $Username = read-host "Enter username for login" }
-if ($Password -eq "") { $Password = read-host "Enter password for login" }
-[bool]$EnableSSL = $true
-[bool]$UseBinary = $true
-[bool]$UsePassive = $true
-[bool]$KeepAlive = $true
-[bool]$IgnoreCert = $true
+param([string]$File = "", [string]$URL = "", [string]$Username = "", [string]$Password = "")
 
 try {
+	if ($File -eq "") { $File = read-host "Enter local file to upload" }
+	if ($URL -eq "") { $URL = read-host "Enter URL of FTP server" }
+	if ($Username -eq "") { $Username = read-host "Enter username for login" }
+	if ($Password -eq "") { $Password = read-host "Enter password for login" }
+	[bool]$EnableSSL = $true
+	[bool]$UseBinary = $true
+	[bool]$UsePassive = $true
+	[bool]$KeepAlive = $true
+	[bool]$IgnoreCert = $true
+
 	$StopWatch = [system.diagnostics.stopwatch]::startNew()
 
 	# check local file:
diff --git a/Scripts/wakeup.ps1 b/Scripts/wakeup.ps1
index be4215f8..2b0e7012 100755
--- a/Scripts/wakeup.ps1
+++ b/Scripts/wakeup.ps1
@@ -11,9 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($MACaddress = "", $IPaddress = "", [int]$Port=9)
-if ($MACaddress -eq "" ) { $MACaddress = read-host "Enter the MAC address (e.g. 00:11:22:33:44:55)"	}
-if ($IPaddress -eq "" ) { $IPaddress = read-host "Enter the IP address or subnet address (e.g. 255.255.255.255)" }
+param([string]$MACaddress = "", [string]$IPaddress = "", [int]$Port=9)
 	
 function Send-WOL { param([string]$mac, [string]$ip="255.255.255.255", [int]$port=9) 
 	$broadcast = [Net.IPAddress]::Parse($ip) 
@@ -28,6 +26,9 @@ function Send-WOL { param([string]$mac, [string]$ip="255.255.255.255", [int]$por
 } 
 
 try {
+	if ($MACaddress -eq "" ) { $MACaddress = read-host "Enter the MAC address (e.g. 00:11:22:33:44:55)"	}
+	if ($IPaddress -eq "" ) { $IPaddress = read-host "Enter the IP address or subnet address (e.g. 255.255.255.255)" }
+
 	Send-WOL $MACaddress $IPaddress $Port
 	start-sleep -milliseconds 100
 	Send-WOL $MACaddress $IPaddress $Port
diff --git a/Scripts/weather-report.ps1 b/Scripts/weather-report.ps1
index b77de875..854ecc64 100755
--- a/Scripts/weather-report.ps1
+++ b/Scripts/weather-report.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($GeoLocation = "") # empty means determine automatically
+param([string]$GeoLocation = "") # empty means determine automatically
 
 try {
 	(invoke-webRequest http://v2d.wttr.in/$GeoLocation -UserAgent "curl" ).Content
diff --git a/Scripts/weather.ps1 b/Scripts/weather.ps1
index e0b9c961..9391c1c2 100755
--- a/Scripts/weather.ps1
+++ b/Scripts/weather.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($GeoLocation = "") # empty means determine automatically
+param([string]$GeoLocation = "") # empty means determine automatically
 
 try {
 	(invoke-webRequest http://wttr.in/$GeoLocation -UserAgent "curl" ).Content
diff --git a/Scripts/what-is.ps1 b/Scripts/what-is.ps1
index 4577e66d..4472e993 100755
--- a/Scripts/what-is.ps1
+++ b/Scripts/what-is.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Abbreviation = "")
-if ($Abbreviation -eq "" ) { $Abbreviation = read-host "Enter the abbreviation" }
+param([string]$Abbreviation = "")
 
 try {
+	if ($Abbreviation -eq "" ) { $Abbreviation = read-host "Enter the abbreviation" }
+
 	write-progress "Searching ..."
 
 	$FoundOne = $false
diff --git a/Scripts/write-big.ps1 b/Scripts/write-big.ps1
index bdcc6e3d..c6c6b0cd 100755
--- a/Scripts/write-big.ps1
+++ b/Scripts/write-big.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
 
 Set-StrictMode -Version Latest
 
diff --git a/Scripts/write-blue.ps1 b/Scripts/write-blue.ps1
index d894c43e..c709b5e4 100755
--- a/Scripts/write-blue.ps1
+++ b/Scripts/write-blue.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
 
 if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
 
diff --git a/Scripts/write-braille.ps1 b/Scripts/write-braille.ps1
index 54da7600..c6b1e9b4 100755
--- a/Scripts/write-braille.ps1
+++ b/Scripts/write-braille.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
 
 function BrailleA { param([int]$Row)
 	switch($Row) {
diff --git a/Scripts/write-green.ps1 b/Scripts/write-green.ps1
index 03844cea..203bb0ab 100755
--- a/Scripts/write-green.ps1
+++ b/Scripts/write-green.ps1
@@ -11,7 +11,8 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
+
 if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
 
 write-host -foregroundColor green "$Text"
diff --git a/Scripts/write-lowercase.ps1 b/Scripts/write-lowercase.ps1
index cf1fd460..acd4c460 100755
--- a/Scripts/write-lowercase.ps1
+++ b/Scripts/write-lowercase.ps1
@@ -11,7 +11,8 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
+
 if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
 
 write-output $Text.ToLower()
diff --git a/Scripts/write-marquee.ps1 b/Scripts/write-marquee.ps1
index f290ee67..35cc6c0d 100755
--- a/Scripts/write-marquee.ps1
+++ b/Scripts/write-marquee.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "PowerShell is powerful! PowerShell is cross-platform! PowerShell is open-source! PowerShell is easy to learn! Powershell is fully documented", [int]$Speed = 60) # 60 ms pause
+param([string]$Text = "PowerShell is powerful! PowerShell is cross-platform! PowerShell is open-source! PowerShell is easy to learn! Powershell is fully documented", [int]$Speed = 60) # 60 ms pause
 
 function StartMarquee { param([string]$text)
 	$Length = $text.Length
diff --git a/Scripts/write-morse-code.ps1 b/Scripts/write-morse-code.ps1
index ef271b68..50085eab 100755
--- a/Scripts/write-morse-code.ps1
+++ b/Scripts/write-morse-code.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "", [int]$OneTimeUnit = 100) # in milliseconds
+param([string]$Text = "", [int]$OneTimeUnit = 100) # in milliseconds
 
 function gap { param([int]$Length)
 	for ([int]$i = 1; $i -lt $Length; $i++) {
diff --git a/Scripts/write-red.ps1 b/Scripts/write-red.ps1
index 0deb3d0d..38b72fed 100755
--- a/Scripts/write-red.ps1
+++ b/Scripts/write-red.ps1
@@ -12,6 +12,7 @@
 #>
 
 param([string]$Text = "")
+
 if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
 
 write-host -foregroundcolor red "$Text"
diff --git a/Scripts/write-rot13.ps1 b/Scripts/write-rot13.ps1
index 5b207925..fb9c3fe4 100755
--- a/Scripts/write-rot13.ps1
+++ b/Scripts/write-rot13.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
 
 function ROT13 { param([string]$Text)
 	$Text.ToCharArray() | ForEach-Object {
diff --git a/Scripts/write-typewriter.ps1 b/Scripts/write-typewriter.ps1
index b8eb52fd..571ed676 100755
--- a/Scripts/write-typewriter.ps1
+++ b/Scripts/write-typewriter.ps1
@@ -11,7 +11,7 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "`nHello World`n-----------`nPowerShell is cross-platform`nPowerShell is open-source`nPowerShell is easy to learn`nPowerShell is fully documented`n`nThanks for watching`n`n:-)`n`n", [int]$Speed = 250) # in milliseconds
+param([string]$Text = "`nHello World`n-----------`nPowerShell is cross-platform`nPowerShell is open-source`nPowerShell is easy to learn`nPowerShell is fully documented`n`nThanks for watching`n`n:-)`n`n", [int]$Speed = 250) # in milliseconds
 
 try {
 	$Random = New-Object System.Random
diff --git a/Scripts/write-uppercase.ps1 b/Scripts/write-uppercase.ps1
index 6262ec2d..638efea5 100755
--- a/Scripts/write-uppercase.ps1
+++ b/Scripts/write-uppercase.ps1
@@ -11,7 +11,8 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
+param([string]$Text = "")
+
 if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
 
 write-output $Text.ToUpper()
diff --git a/Scripts/write-vertical.ps1 b/Scripts/write-vertical.ps1
index c31066c8..f89301e8 100755
--- a/Scripts/write-vertical.ps1
+++ b/Scripts/write-vertical.ps1
@@ -11,10 +11,11 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Text = "")
-if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
+param([string]$Text = "")
 
 try {
+	if ($Text -eq "" ) { $Text = read-host "Enter the text to write" }
+
 	[char[]]$TextArray = $Text
 	foreach($Char in $TextArray) {
 		write-output $Char
diff --git a/Scripts/zip-dir.ps1 b/Scripts/zip-dir.ps1
index d8ad8d95..e491f630 100755
--- a/Scripts/zip-dir.ps1
+++ b/Scripts/zip-dir.ps1
@@ -11,14 +11,15 @@
 	Author: Markus Fleschutz / License: CC0
 #>
 
-param($Directory = "")
-if ($Directory -eq "" ) { $Directory = read-host "Enter the path to the directory to zip" }
+param([string]$Directory = "")
 
 try {
+	if ($Directory -eq "" ) { $Directory = read-host "Enter the path to the directory to zip" }
+
 	$Directory = resolve-path $Directory
 	compress-archive -path $Directory -destinationPath $Directory.zip
 
-	"✔️ zip archive created: $($Directory).zip"
+	"✔️ created zip archive: $($Directory).zip"
 	exit 0
 } catch {
 	write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"