Toggle between show or hide hidden files in MAC OS X

gistfile1.sh

# ================================================================
# Toggle between show or hide hidden files in MAC OS X 
# ================================================================
toggle_hidden_files() {
  is_showing=`defaults read com.apple.finder AppleShowAllFiles`

  if [ ${is_showing} = TRUE ]
  then
    defaults write com.apple.finder AppleShowAllFiles FALSE;
  else
    defaults write com.apple.finder AppleShowAllFiles TRUE;
  fi

  echo AppleShowAllFiles has been set to: `defaults read com.apple.finder AppleShowAllFiles`

  echo restarting Finder
  sudo killall Finder
}