Run the script for once to set your wallpaper, or create a cron job to run the script regularly.
Options
Run the script without any argument: Get a random walpaper from current - 7 days ago
Pass the latter "c" Get the current wallpaper
Pass a number like "1" Get the wallpaper from nth day before today (0: today, 1: yesterday, ..., 7)
GPL v2
Originally forked from: whizzzkid/bing-wallpapers-for-linux However it has been detached and is stand alone because I seek other interests.