PowerShell function to remove spurious whitespace from scripts. Shared by JohnLBevan

Remove-WhiteSpace.ps1

function Remove-WhiteSpace {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
        [string]$Path
        ,
        [Parameter()]
        [string]$Encoding = 'UTF8' #type FileSystemCmdletProviderEncoding is not public and does not match [System.Text.Encoding
   )
    process {
        $tempFile = [System.IO.Path]::GetTempFileName()
        $Path | Get-Content -Encoding $Encoding -Stream | %{"$_".TrimEnd()} | Set-Content -Path $tempFile -Encoding $Encoding
        Move-Item -Path $tempFile -Destination $Path -Force
    }
}

Get-ChildItem '.' -Recurse -File -Filter '*.ps1' | select -ExpandProperty fullname | Remove-WhiteSpace