[MAC OSX] Show/Hide the hidden files in Finder.

show-file.sh

# [MAC OSX] Show/Hide the hidden files in Finder.
# add this function to '~/.bash_profile' and reopen terminal.
# Usage: show-file                          -> show
#        show-file 0 / off / hide / false   -> hide

show-file () {
    opt=$(echo $1 | tr '[:upper:]' '[:lower:]')    # transfer into lowercase

    # Hide Files
    if [ "$opt" = "off" ] || [ "$opt" = "0" ] || [ "$opt" = "false" ] || [ "$opt" = "hide" ] ; then
        echo "Hide all the hidden files in Finder."
        defaults write com.apple.finder AppleShowAllFiles FALSE
        killall Finder
        return
    fi

    # Show all the Files
    echo "Show all the hidden files in Finder."
    defaults write com.apple.finder AppleShowAllFiles TRUE
    killall Finder
    echo "Use 'show-file off' to hide the hidden files in Finder."
}