copy-playlist.py

#!/usr/bin/python
# copy all files used in a m3u playlist to a new subdirectory
# and prefix the filenames with a number nnnn00 in ascending order
# initial version 20200206
#
# based on ideas from https://forum.videolan.org/viewtopic.php?t=114141

import os.path, shutil, sys

def main():

    if len(sys.argv) < 3:
        sys.stderr.write('Usage: copy-playlist <playlist-file> <output-directory>\n')
        return 1


    playlist_file = sys.argv[1]
    output_dir = sys.argv[2]

    j = 100
    for i, line in enumerate(open(playlist_file)):
        try:
               if line.startswith('#'):
                   # Skip m3u comments
                   continue
               else:
	           s = line.rstrip()
	           shutil.copy(s, os.path.join(output_dir, '%06d__%s' % (j, os.path.basename(s))))
	           j = j + 100
        except IOError, e:
            sys.stderr.write('warning: %s\n' % e)
    return 0

if __name__ == "__main__":
    sys.exit(main())