nix/home/program/bash/module/Brightness.nix

{ ... }: {
	text = ''
		# Set display brightness to a minimum.
		function brmin() {
			light -S 0.01
		}

		# Set display brightness to a maximum.
		function brmax() {
			light -S 100
		}

		# Set display brightness in percent, 50% default.
		# Usage: brset [LEVEL]
		function brset() {
			local level=''${1}
			[[ "''${level}" = "" ]] && level=50

			light -S ''${level}
		}
	'';
}