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#!/usr/bin/env python2
# Select random wallpaper from given directory or directories
# Written by: Maciej Delmanowski <harnir@post.pl>
# Derived from: pjbackground
# Usage: <wallpaper-program> `fvwm-crystal.wallpaper <directory> [directory] ...
import sys, os, string, random
# This function looks for image files in specified directory and it's
# subdirectories and returns the list of absolute names
def find_images(root):
for path, dirs, files in os.walk(root):
for filename in files:
extension = os.path.splitext(filename)
if string.lower(extension[1]) in ('.jpg','.jpeg','.png'):
yield os.path.join(path, filename)
# Exit with no arguments
if len(sys.argv) == 1:
sys.exit()
# Find images in all directories specified in the command line
images=[]
for argument in sys.argv:
for image in find_images(argument):
images.append(image)
# Select random wallpaper and print it
print random.choice(images)
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