macOS Desktop Finder Files Toggle

macos-desktop-finder-toggle.sh

#!/bin/bash
# vim: ai ts=2 sw=2 et sts=2 ft=sh
#
# macOS Desktop Finder Files Toggle
#
# Toggle the use of Finder to display the contents of the Desktop folder as
# icons on the macOS desktop. Hides or Shows all Finder files icons on the
# Desktop.
#
# https://ss64.com/osx/defaults.html
# https://ss64.com/osx/killall.html

set -o errexit
set -o nounset
set -o pipefail

# Check OS type.
if [[ "${OSTYPE//[0-9.]/}" != "darwin" ]]; then
  (>&2 echo "Error: This script is for macOS not '${OSTYPE}'.")
  exit 1;
fi

# Check command exists.
# https://ss64.com/osx/defaults.html
if ! command -v defaults 1>/dev/null; then
  (>&2 echo "Error: macOS user defaults system not found")
  exit 1;
fi

# Read state for Finder view of desktop.
CreateDesktop="$(defaults read com.apple.finder CreateDesktop)"

# Set state for Finder view of desktop.
if [[ "$CreateDesktop" != "false" ]]; then
  toggle="false"
else
  toggle="true"
fi

defaults write com.apple.finder CreateDesktop "$toggle"

# Restart Finder.
# https://ss64.com/osx/killall.html
Killall Finder