mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-09 01:25:04 +01:00
36 lines
887 B
PowerShell
Executable File
36 lines
887 B
PowerShell
Executable File
#!/usr/bin/pwsh
|
|
<#
|
|
.SYNTAX check-mac-address.ps1 [<MAC>]
|
|
.DESCRIPTION checks the given MAC address for validity
|
|
MAC address like 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000
|
|
.LINK https://github.com/fleschutz/PowerShell
|
|
.NOTES Author: Markus Fleschutz / License: CC0
|
|
#>
|
|
|
|
param($MAC = "")
|
|
|
|
function IsMACAddressValid { param([string]$mac)
|
|
$RegEx = "^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})|([0-9A-Fa-f]{2}){6}$"
|
|
if ($mac -match $RegEx) {
|
|
return $true
|
|
} else {
|
|
return $false
|
|
}
|
|
}
|
|
|
|
try {
|
|
if ($MAC -eq "" ) {
|
|
$MAC = read-host "Enter MAC address to validate"
|
|
}
|
|
if (IsMACAddressValid $MAC) {
|
|
write-host -foregroundColor green "OK - MAC address $MAC is valid"
|
|
exit 0
|
|
} else {
|
|
write-warning "Invalid MAC address: $MAC"
|
|
exit 1
|
|
}
|
|
} catch {
|
|
write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|