Added check-ipv4-address.ps1 and check-mac-address.ps1

README.md

@@ -7,6 +7,9 @@ List of Scripts
 ---------------
 The following PowerShell scripts can be found in the [Scripts/](Scripts/) subfolder:
 
+* [check-ipv4-address.ps1](Scripts/check-ipv4-address.ps1) - checks the given IPv4 address for validity
+* [check-mac-address.ps1](Scripts/check-mac-address.ps1) - checks the given MAC address for validity
+* [check-xml-file.ps1](Scripts/check-xml-file.ps1) - checks the given XML file for validity
 * [clone-repos.ps1](Scripts/clone-repos.ps1) - clones well-known Git repositories
 * [configure-git.ps1](Scripts/configure-git.ps1) - sets up the Git configuration
 * [download.ps1](Scripts/download.ps1) - downloads the file/directory from the given URL
@@ -54,7 +57,6 @@ The following PowerShell scripts can be found in the [Scripts/](Scripts/) subfol
 * [translate-file.ps1](Scripts/translate-file.ps1) - translates the given file from source to target language
 * [translate-text.ps1](Scripts/translate-text.ps1) - translates the given text into other languages
 * [txt2wav.ps1](Scripts/txt2wav.ps1) - converts text into a audio .WAV file
-* [validate-xml.ps1](Scripts/validate-xml.ps1) - validates the given XML file
 * [weather.ps1](Scripts/weather.ps1) - prints the current weather forecast
 * [weather-alert.ps1](Scripts/weather-alert.ps1) - checks the current weather for critical values
 * [weather-report.ps1](Scripts/weather-report.ps1) - prints the local weather report

Scripts/check-ipv4-address.ps1

@@ -0,0 +1,28 @@
+#!/snap/bin/powershell
+
+# Syntax:       ./check-ipv4-address.ps1 [<address>]
+# Description:	checks the given IPv4 address for validity
+# Author:	Markus Fleschutz
+# Source:	github.com/fleschutz/PowerShell
+# License:	CC0
+
+param([string]$Addr)
+
+# IPv4-Address like 192.168.178.1
+$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]?)$"
+
+try {
+	if ($Addr -eq "" ) {
+		$Addr = read-host "Enter IPv4 address to validate"
+	}
+	if ($Addr -match $RegEx) {
+		write-output "IPv4 address $Addr is valid"
+		exit 0
+	} else {
+		write-output "IPv4 address $Addr is NOT valid"
+		exit 1
+	}
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}

Scripts/check-mac-address.ps1

@@ -0,0 +1,28 @@
+#!/snap/bin/powershell
+
+# Syntax:       ./check-mac-address.ps1 [<MAC>]
+# Description:	checks the given MAC address for validity
+# Author:	Markus Fleschutz
+# Source:	github.com/fleschutz/PowerShell
+# License:	CC0
+
+param([string]$MAC)
+
+# MAC-Address like 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000
+$RegEx = "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})|([0-9A-Fa-f]{2}){6}$"
+
+try {
+	if ($MAC -eq "" ) {
+		$MAC = read-host "Enter MAC address to validate"
+	}
+	if ($MAC -match $RegEx) {
+		write-output "MAC address $MAC is valid"
+		exit 0
+	} else {
+		write-output "MAC address $MAC is NOT valid"
+		exit 1
+	}
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}

Scripts/check-xml-file.ps1

@@ -0,0 +1,41 @@
+#!/snap/bin/powershell
+
+# Syntax:       ./check-xml-file [<file>]
+# Description:	checks the given XML file for validity
+# Author:	Markus Fleschutz
+# Source:	github.com/fleschutz/PowerShell
+# License:	CC0
+
+param ([String]$XmlFilePath)
+
+try {
+	if ($XmlFilePath -eq "" ) {
+		$XmlFilePath = read-host "Enter path to XML file"
+	}
+	# Get the file
+	$XmlFile = Get-Item($XmlFilePath)
+	
+	# Keep count of how many errors there are in the XML file
+	$script:ErrorCount = 0
+	
+	# Perform the XSD Validation
+	$ReaderSettings = New-Object -TypeName System.Xml.XmlReaderSettings
+	$ReaderSettings.ValidationType = [System.Xml.ValidationType]::Schema
+	$ReaderSettings.ValidationFlags = [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessInlineSchema -bor [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessSchemaLocation
+	$ReaderSettings.add_ValidationEventHandler({ $script:ErrorCount++ })
+	$Reader = [System.Xml.XmlReader]::Create($XmlFile.FullName, $ReaderSettings)
+	while ($Reader.Read()) { }
+	$Reader.Close()
+	
+	# Verify the results of the XSD validation
+	if ($script:ErrorCount -gt 0) {
+		write-output "XML file is NOT valid"
+		exit 1
+	} else {
+		write-output "XML file is valid"
+		exit 0
+	}
+} catch {
+	write-warning "$($MyInvocation.MyCommand.Name) - Error: $($_.Exception.Message) - Line Number: $($_.InvocationInfo.ScriptLineNumber)"
+	exit 1
+}

Scripts/validate-xml.ps1

@@ -1,32 +0,0 @@
-#!/snap/bin/powershell
-
-function Validate-Xml {
-	param ([string]$XmlFilePath)
-	try {
-		# Get the file
-		$XmlFile = Get-Item($XmlFilePath)
-		
-		# Keep count of how many errors there are in the XML file
-		$script:ErrorCount = 0
-		
-		# Perform the XSD Validation
-		$ReaderSettings = New-Object -TypeName System.Xml.XmlReaderSettings
-		$ReaderSettings.ValidationType = [System.Xml.ValidationType]::Schema
-		$ReaderSettings.ValidationFlags = [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessInlineSchema -bor [System.Xml.Schema.XmlSchemaValidationFlags]::ProcessSchemaLocation
-		$ReaderSettings.add_ValidationEventHandler({ $script:ErrorCount++ })
-		$Reader = [System.Xml.XmlReader]::Create($XmlFile.FullName, $ReaderSettings)
-		while ($Reader.Read()) { }
-		$Reader.Close()
-		
-		# Verify the results of the XSD validation
-		if ($script:ErrorCount -gt 0) {
-			# XML is NOT valid
-			$false
-		} else {
-			# XML is valid
-			$true
-		}
-	} catch {
-		Write-Warning "$($MyInvocation.MyCommand.Name) - Error: $($_.Exception.Message) - Line Number: $($_.InvocationInfo.ScriptLineNumber)"
-	}
-}