# Usage: .\unpack.ps1 filename.zip
# Usage: .\unpack.ps1 filename.zip c:\
$FILENAME=$args[0]

if ($args.count -gt 1) {
    $DESTPATH=$args[1]
    Expand-Archive -Force -Path "${FILENAME}" -DestinationPath "${DESTPATH}"
} else {
    Expand-Archive -Force -Path "${FILENAME}"
}