Added try and catch

Scripts/MD5.ps1

@@ -7,6 +7,10 @@
 # License:	CC0
  
 param([string]$File)
-$Result = get-filehash $File -algorithm MD5
-write-host $Result.Hash
-exit 0
+
+try {
+	$Result = get-filehash $File -algorithm MD5
+	write-host $Result.Hash
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/SHA1.ps1

@@ -7,6 +7,10 @@
 # License:	CC0
  
 param([string]$File)
-$Result = get-filehash $File -algorithm SHA1
-write-host $Result.Hash
-exit 0
+
+try {
+	$Result = get-filehash $File -algorithm SHA1
+	write-host $Result.Hash
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/SHA256.ps1

@@ -7,6 +7,10 @@
 # License:	CC0
 
 param([string]$File)
-$Result = get-filehash $File -algorithm SHA256
-write-host $Result.Hash
-exit 0
+
+try {
+	$Result = get-filehash $File -algorithm SHA256
+	write-host $Result.Hash
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/download.ps1

@@ -7,5 +7,10 @@
 # License:	CC0
 
 param([string]$URL)
-wget --mirror --convert-links --adjust-extension --page-requisites --no-parent $URL --directory-prefix . --no-verbose
-exit 0
+
+
+try {
+	wget --mirror --convert-links --adjust-extension --page-requisites --no-parent $URL --directory-prefix . --no-verbose
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/email.ps1

@@ -6,12 +6,15 @@
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
 
-$smtpServer = "smtp.example.com"
-$msg = new-object Net.Mail.MailMessage
-$smtp = new-object Net.Mail.SmtpClient($smtpServer)
-$msg.From = "me@example.com"
-$msg.ReplyTo = "me@example.com"
-$msg.To.Add("you@example.com")
-$msg.subject = "Test Mail"
-$msg.body = "This is a test mail."
-$smtp.Send($msg)
+try {
+	$smtpServer = "smtp.example.com"
+	$msg = new-object Net.Mail.MailMessage
+	$smtp = new-object Net.Mail.SmtpClient($smtpServer)
+	$msg.From = "me@example.com"
+	$msg.ReplyTo = "me@example.com"
+	$msg.To.Add("you@example.com")
+	$msg.subject = "Test Mail"
+	$msg.body = "This is a test mail."
+	$smtp.Send($msg)
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/exe_info.ps1

@@ -7,5 +7,10 @@
 # License:	CC0
  
 param([string]$File)
-get-childitem $File | % {$_.VersionInfo} | Select *
-exit 0
+
+
+try {
+	get-childitem $File | % {$_.VersionInfo} | Select *
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/init_git.ps1

@@ -10,8 +10,11 @@ $UserName   = read-host "Your full name: "
 $UserEmail  = read-host "Your email address: "
 $UserEditor = read-host "Your favorite editor (nano, vi, emacs): "
 
-git config --global user.name $UserName
-git config --global user.email $UserEmail
-git config --global core.editor $UserEditor
-echo "Done."
-exit 0
+try {
+	git config --global user.name $UserName
+	git config --global user.email $UserEmail
+	git config --global core.editor $UserEditor
+	echo "Done. Git has been initialized."
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/lscmdlets.ps1

@@ -6,5 +6,8 @@
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
 
-Get-Command -Command-Type cmdlet
-exit 0
+try {
+	Get-Command -Command-Type cmdlet
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/lsmods.ps1

@@ -6,5 +6,8 @@
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
 
-Get-Module
-exit 0
+try {
+	Get-Module
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/lsproc.ps1

@@ -6,5 +6,8 @@
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
 
-Get-Process | Format-Table -Property Id, @{Label="CPU(s)";Expression={$_.CPU.ToString("N")+"%"};Alignment="Right"}, ProcessName -AutoSize
-exit 0
+try {
+	Get-Process | Format-Table -Property Id, @{Label="CPU(s)";Expression={$_.CPU.ToString("N")+"%"};Alignment="Right"}, ProcessName -AutoSize
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/make-install.ps1

@@ -10,12 +10,15 @@ set "DST_DIR=C:\Program Files\MyApp\bin"
 set FILTER=*.exe *.dll
 set OPTIONS=/E /njh /np
 
-title Syncing to %DST_DIR% ...
-robocopy %SRC_DIR% %DST_DIR% %FILTER% %OPTIONS%
+try {
+	title Syncing to %DST_DIR% ...
+	robocopy %SRC_DIR% %DST_DIR% %FILTER% %OPTIONS%
 
-echo ------------------------------------------------------------------------------
-echo.
-echo DONE - synced to %DST_DIR%
-echo.
-pause
-exit /b 0
+	echo ------------------------------------------------------------------------------
+	echo.
+	echo DONE - synced to %DST_DIR%
+	echo.
+	pause
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/moon.ps1

@@ -6,5 +6,8 @@
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
  
-(Invoke-WebRequest http://wttr.in/Moon -UserAgent "curl" ).Content
-exit 0
+try {
+	(Invoke-WebRequest http://wttr.in/Moon -UserAgent "curl" ).Content
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/news.ps1

@@ -10,13 +10,16 @@
 $RSS_URL = "https://yahoo.com/news/rss/world"
 # $RSS_URL = "https://rss.nytimes.com/services/xml/rss/nyt/HomePage.xml"
 
-[xml]$FileContent = (Invoke-WebRequest -Uri $RSS_URL).Content
+try {
+	[xml]$FileContent = (Invoke-WebRequest -Uri $RSS_URL).Content
 
-write-host ""
-write-host "+++ " $FileContent.rss.channel.title " +++"
-write-host ""
+	write-host ""
+	write-host "+++ " $FileContent.rss.channel.title " +++"
+	write-host ""
 
-foreach ($item in $FileContent.rss.channel.item) {
-	write-host "* "$item.title
-}
-exit 0
+	foreach ($item in $FileContent.rss.channel.item) {
+		write-host "* "$item.title
+	}
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/password.ps1

@@ -19,6 +19,9 @@ function new_password() {
 	return $password
 }
 
-$password = new_password
-write-output $password
-exit 0
+try {
+	$password = new_password
+	write-output $password
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/passwords.ps1

@@ -20,8 +20,11 @@ function new_password() {
 	return $password
 }
 
-for ($j = 0; $j -lt $NumPasswords; $j++) {
-	$password = new_password
-	write-output $password
-}
-exit 0
+try {
+	for ($j = 0; $j -lt $NumPasswords; $j++) {
+		$password = new_password
+		write-output $password
+	}
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/poweroff.ps1

@@ -7,5 +7,8 @@
 # License:	CC0
 
 #Requires -RunAsAdministrator
-Stop-Computer
-exit 0
+try {
+	Stop-Computer
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/reboot.ps1

@@ -7,5 +7,8 @@
 # License:	CC0
 
 #Requires -RunAsAdministrator
-Restart-Computer
-exit 0
+try {
+	Restart-Computer
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/speak.ps1

@@ -1,12 +1,19 @@
 #!/snap/bin/powershell
 #
-# Syntax:	./speak.ps1
+# Syntax:	./speak.ps1 [<text>]
 # Description:	speaks the given text
 # Author:	Markus Fleschutz
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
 
-$Text = "Hello World!"
-$voice = New-Object ComObject SAPI.SPVoice
-$voice.Speak($Text);
-exit 0
+param([string]$Text)
+if ($Text -eq "") {
+	$Text = "Hello World!"
+}
+
+try {
+	$voice = New-Object ComObject SAPI.SPVoice
+	$voice.Speak($Text);
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/test.ps1

@@ -6,6 +6,9 @@
 # Source:	github.com/fleschutz/PowerShell
 # License:	CC0
  
-write-output "✔️ PowerShell works. Details are:"
-echo $PSVersionTable
-exit 0
+try {
+	write-output "✔️ PowerShell works. Details are:"
+	echo $PSVersionTable
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/train_dns_cache.ps1

@@ -8,15 +8,18 @@
  
 $Table = import-csv domain_table.csv
 
-$StartTime = Get-Date
-foreach($Row in $Table) {
-	$Domain = $Row.Domain
-	write-progress "Training DNS cache with $Domain ..."
-	$Ignore = nslookup $Domain
-}
+try {
+	$StartTime = Get-Date
+	foreach($Row in $Table) {
+		$Domain = $Row.Domain
+		write-progress "Training DNS cache with $Domain ..."
+		$Ignore = nslookup $Domain
+	}
 
-$Count = $Table.Length
-$StopTime = Get-Date
-$TimeInterval = New-Timespan -start $StartTime -end $StopTime
-write-host "✔️ DNS cache trained with $Count domain names in $TimeInterval sec."
-exit 0
+	$Count = $Table.Length
+	$StopTime = Get-Date
+	$TimeInterval = New-Timespan -start $StartTime -end $StopTime
+	write-host "✔️ DNS cache trained with $Count domain names in $TimeInterval sec."
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/translate.ps1

@@ -31,8 +31,11 @@ function TranslateWithGoogle {
 	return $result[0][0][0]
 }
 
-foreach($TargetLang in $TargetLanguages) {
-	$Result = TranslateWithGoogle $SourceText $SourceLang $TargetLang
-	write-output $TargetLang" : "$Result
-}
-exit 0
+try {
+	foreach($TargetLang in $TargetLanguages) {
+		$Result = TranslateWithGoogle $SourceText $SourceLang $TargetLang
+		write-output $TargetLang" : "$Result
+	}
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/txt2wav.ps1

@@ -12,11 +12,14 @@ $Speed = -1 # -10 is slowest, 10 is fastest
 $TargetWavFile = "spoken.wav"
 
 # Run:
-Add-Type -AssemblyName System.Speech
-$SpeechSynthesizer = New-Object System.Speech.Synthesis.SpeechSynthesizer
-# $SpeechSynthesizer.SelectVoice("Microsoft Eva Mobile")
-$SpeechSynthesizer.Rate = $Speed
-$SpeechSynthesizer.SetOutputToWaveFile($TargetWavFile)
-$SpeechSynthesizer.Speak($Text)
-$SpeechSynthesizer.Dispose()
-exit 0
+try {
+	Add-Type -AssemblyName System.Speech
+	$SpeechSynthesizer = New-Object System.Speech.Synthesis.SpeechSynthesizer
+	# $SpeechSynthesizer.SelectVoice("Microsoft Eva Mobile")
+	$SpeechSynthesizer.Rate = $Speed
+	$SpeechSynthesizer.SetOutputToWaveFile($TargetWavFile)
+	$SpeechSynthesizer.Speak($Text)
+	$SpeechSynthesizer.Dispose()
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/wakeup.ps1

@@ -42,17 +42,20 @@ $UDPclient.Connect($broadcast,$port)
 $Hostname = read-host "Enter hostname: "
 $MyMACAddresses = "io=11:22:33:44:55:66","pi=11:22:33:44:55:66"
 
-foreach($item in $MyMACAddresses) {
-	$array = $item.Split("=")
-	$thisHost=$array[0]
-	$thisMAC=$array[1]
-	if ($thisHost -like $Hostname) {
-		Send-WOL $thisMAC
-		write-output "✔️  host $thisHost waked up (MAC $thisMAC)"
-		exit 0
+try {
+	foreach($item in $MyMACAddresses) {
+		$array = $item.Split("=")
+		$thisHost=$array[0]
+		$thisMAC=$array[1]
+		if ($thisHost -like $Hostname) {
+			Send-WOL $thisMAC
+			write-output "✔️  host $thisHost waked up (MAC $thisMAC)"
+			exit 0
+		}
 	}
-}
 
-echo "Sorry, hostname $Hostname is unknown."
-pause
+	echo "Sorry, hostname $Hostname is unknown."
+	pause
+	exit 1
+} catch { Write-Error $Error[0] }
 exit 1

Scripts/weather.ps1

@@ -7,5 +7,9 @@
 # License:	CC0
  
 $GeoLocation="" # empty means determine automatically
-(Invoke-WebRequest http://wttr.in/$GeoLocation -UserAgent "curl" ).Content
-exit 0
+
+try {
+	(Invoke-WebRequest http://wttr.in/$GeoLocation -UserAgent "curl" ).Content
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1

Scripts/zipdir.ps1

@@ -7,5 +7,10 @@
 # License:	CC0
 
 param([string]$Path)
-Compress-Archive -Path $Path -DestinationPath $Path.zip
-exit 0
+
+
+try {
+	Compress-Archive -Path $Path -DestinationPath $Path.zip
+	exit 0
+} catch { Write-Error $Error[0] }
+exit 1