Bash script to show/hide invisible files on macOS

invisi

#!/bin/bash

while test $# -gt 0; do
    case "$1" in
    hide)
        defaults write com.apple.finder AppleShowAllFiles FALSE && killall Finder
        ;;
    show)
        defaults write com.apple.finder AppleShowAllFiles TRUE && killall Finder
        ;;
    *)
        echo "usage: invisi [hide|show]"
        ;;
    esac
    shift
done

exit 0