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