#!/usr/local/bin/python
# public domain.
# written 2012 by Moritz Wilhelmy, mw at furnace wzff de

"""Expunge feeds from poor man's feedreader's seen-list"""

import fcntl, sys, os, pickle

with open(os.getenv("HOME") + "/lib/feeds/seen", "r+") as fd:
	fcntl.flock(fd, fcntl.LOCK_EX)
	seen = pickle.load(fd)
	fd.seek(0)
	for x in sys.argv[1:]:
		if seen.has_key(x):
			del seen[x]
	pickle.dump(seen, fd)
	fd.truncate()