PowerShell: Convert Unix line-ending to Windows CrLf

function GetFiles
{
  foreach ($i in $input) {
   ? -inputObject $i -filterScript { $_.GetType().Name -eq "FileInfo" }
  }
}

function ConvertToCrLf
{
  param([string] $path)
  gci $path |
  GetFiles |
  % {
    $c = gc $_.FullName
    $c | % {
             if (([regex] "`r`n$").IsMatch($_) -eq $false) {
               $_ -replace "`n", "`r`n"
             } else {
               $_
             }
           } |
        set-content $path
  }
}