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85 lines
2.1 KiB
Markdown
85 lines
2.1 KiB
Markdown
## The *check-mac-address.ps1* Script
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This PowerShell script checks the given MAC address for validity
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Supported MAC address formats are: 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000.
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## Parameters
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```powershell
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check-mac-address.ps1 [[-MAC] <String>] [<CommonParameters>]
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-MAC <String>
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Specifies the MAC address to check
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Required? false
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Position? 1
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Default value
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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## Example
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```powershell
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PS> ./check-mac-address 11:22:33:44:55:66
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✔️ MAC address 11:22:33:44:55:66 is valid
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```
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## Notes
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Author: Markus Fleschutz | License: CC0
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## Related Links
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https://github.com/fleschutz/PowerShell
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## Source Code
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```powershell
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<#
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.SYNOPSIS
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Checks the given MAC address for validity
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.DESCRIPTION
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This PowerShell script checks the given MAC address for validity
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Supported MAC address formats are: 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000.
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.PARAMETER MAC
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Specifies the MAC address to check
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.EXAMPLE
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PS> ./check-mac-address 11:22:33:44:55:66
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✔️ MAC address 11:22:33:44:55:66 is valid
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$MAC = "")
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function IsMACAddressValid { param([string]$mac)
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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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if ($mac -match $RegEx) {
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return $true
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} else {
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return $false
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}
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}
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try {
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if ($MAC -eq "" ) {
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$MAC = read-host "Enter MAC address to validate"
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}
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if (IsMACAddressValid $MAC) {
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"✔️ MAC address $MAC is valid"
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exit 0 # success
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} else {
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write-warning "Invalid MAC address: $MAC"
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exit 1
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}
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*Generated by convert-ps2md.ps1 using the comment-based help of check-mac-address.ps1*
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