robocopy.ps1

Param(
  [string] $source,
  [string] $target,
  [string] $fat_args = "/FFT /Z /XA:H /W:5"
  [switch] $mirror
)
if ($mirror) {
    Invoke-Expression ("robocopy {0} {1} /MIR {2}" -f $source, $target, $fat_args)
}
else {
    Invoke-Expression ("robocopy {0} {1} {2}" -f $source, $target, $fat_args)
}