/prog/ Challenge

Write a program which automatically saves all the images off of a *booru-style site (Gelbooru, Danbooru, Konachan, Safebooru, etc). Use whatever programming language you like. The most efficient program wins.


#include "stuff.h"

MAIN_FUNCTION_BLOCK_START

    arguments_ok_or_gtfo();
    dl_images_from_a_site("./", ARGV[FIRST_ARGUMENT]);

MAIN_FUNCTION_BLOCK_END

What do I win?