def main(playlist, src, dest, scale=None, url=False):
"""Writes the playlist in m3u format to stdout, using repetition for weight.
src and dest args are for path rewriting - any paths under src will be rewritten
to be under dest instead."""
playlist = Playlist(playlist)
flattened = playlist.to_repeated_list(scale)
src = '{}/'.format(src.rstrip('/'))
for path in flattened:
if path.startswith(src):
path = os.path.join(dest, os.path.relpath(path, src))
print 'file://{}'.format(path) if url else path
