FileHandling/Get-FileListFromFolder.ps1

<#
 .Synopsis
  Gets comma separated list of all files in a folder
 .Description
  Gets comma separated list of all files in a folder
 .Parameter workFolder
  The path to the folder the file list should be taken from
  .Example
  Get-FileListFromFolder -workFolder "C:\test"
#>

function Get-FileListFromFolder {
    param(
        [parameter (Mandatory=$True)]
        [string] $workFolder
    )


    $fileList = ""
    foreach ($f in Get-ChildItem($workFolder)) {
      $fileList += $f.name + ","
    }

    return ($fileList.TrimEnd(","))
}