ConvertTo-ShortPath

1.0

ConvertTo-ShortPath.ps1

<#PSScriptInfo
.DESCRIPTION
    Converts each element of a file object path to the 8.3 path and return the short path string.
.VERSION
    1.0
.GUID
    6f926344-d186-4470-ab96-cea272bd5848
.AUTHOR
    Thomas Malkewitz @dotps1
.TAGS
    8.3
.RELEASENOTES
    Intial Release.
#>
[OutputType([String])]

Param (
    [Parameter(
        ValueFromPipeline = $true,
        ValueFromPipelineByPropertyName = $true
    )]
    [Alias(
        'FullName'
    )]
    [ValidateNotNull()]
    [String[]]
    $Path = $pwd
)

Begin {
    $fso = New-Object -ComObject Scripting.FileSystemObject
}

Process {
    for ($i = 0; $i -lt $Path.Length; $i++) {
        try {
            if (($item = Get-Item -Path $Path[$i] -ErrorAction Stop).PSIsContainer) {
                $fso.GetFolder($item.FullName).ShortPath
            } else {
                $fso.GetFile($item.FullName).ShortPath
            }
        } catch {
            Write-Error -Message $_.ToString()
        }
    }
}

End {
    [Void][System.Runtime.InteropServices.Marshal]::ReleaseComObject($fso)
    Remove-Variable -Name fso
}