Script for managing multiple wallpapers

bg-select-set.sh

#!/usr/bin/env bash

CONFIG=$HOME/.config/nitrogen
SETS=$CONFIG/sets

function setWallpaper {
	[ ! -f "$SETS/$1" ] && echo "Set \"$1\" does not exist" && return;
	ln -f "$SETS/$1" "$CONFIG/bg-saved.cfg"
	nitrogen --restore
}

function current {
	inode=$(stat -c "%i" "$CONFIG/bg-saved.cfg")
	basename $(find $SETS -inum $inode)
}

function list {
	ls --color=never -1 "$SETS"
}

function new {
	cp "$CONFIG/default" "$SETS/$1"
	setWallpaper $1
}

function usage {
	echo "$(basename $0) -l -c -n -h [SET]"
}

while getopts ":lchn:" opt; do
	case $opt in
		l)
			list
			exit
			;;
		c)
			current
			exit
			;;
		n)
			new $OPTARG
			exit
			;;
		h | \?)
			usage
			exit
			;;
	esac
done

name=${@:$OPTIND:1}
if [[ ! -z "$name" ]]; then
	setWallpaper ${@:$OPTIND:1}
else
	current
fi