mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-11-23 00:13:36 +01:00
91 lines
2.2 KiB
Markdown
91 lines
2.2 KiB
Markdown
Script: *check-mac-address.ps1*
|
||
========================
|
||
|
||
This PowerShell script checks the given MAC address for validity
|
||
Supported MAC address formats are: 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000.
|
||
|
||
Parameters
|
||
----------
|
||
```powershell
|
||
PS> ./check-mac-address.ps1 [[-MAC] <String>] [<CommonParameters>]
|
||
|
||
-MAC <String>
|
||
Specifies the MAC address to check
|
||
|
||
Required? false
|
||
Position? 1
|
||
Default value
|
||
Accept pipeline input? false
|
||
Accept wildcard characters? false
|
||
|
||
[<CommonParameters>]
|
||
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
|
||
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
|
||
```
|
||
|
||
Example
|
||
-------
|
||
```powershell
|
||
PS> ./check-mac-address 11:22:33:44:55:66
|
||
✔️ MAC address 11:22:33:44:55:66 is valid
|
||
|
||
```
|
||
|
||
Notes
|
||
-----
|
||
Author: Markus Fleschutz | License: CC0
|
||
|
||
Related Links
|
||
-------------
|
||
https://github.com/fleschutz/PowerShell
|
||
|
||
Script Content
|
||
--------------
|
||
```powershell
|
||
<#
|
||
.SYNOPSIS
|
||
Checks the given MAC address for validity
|
||
.DESCRIPTION
|
||
This PowerShell script checks the given MAC address for validity
|
||
Supported MAC address formats are: 00:00:00:00:00:00 or 00-00-00-00-00-00 or 000000000000.
|
||
.PARAMETER MAC
|
||
Specifies the MAC address to check
|
||
.EXAMPLE
|
||
PS> ./check-mac-address 11:22:33:44:55:66
|
||
✔️ MAC address 11:22:33:44:55:66 is valid
|
||
.LINK
|
||
https://github.com/fleschutz/PowerShell
|
||
.NOTES
|
||
Author: Markus Fleschutz | License: CC0
|
||
#>
|
||
|
||
param([string]$MAC = "")
|
||
|
||
function IsMACAddressValid { param([string]$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) {
|
||
"✔️ MAC address $MAC is valid"
|
||
exit 0 # success
|
||
} else {
|
||
write-warning "Invalid MAC address: $MAC"
|
||
exit 1
|
||
}
|
||
} catch {
|
||
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
||
exit 1
|
||
}
|
||
```
|
||
|
||
*(generated by convert-ps2md.ps1 using the comment-based help of check-mac-address.ps1 as of 05/19/2024 10:25:18)*
|