import os import sys import tarfile ERROR = False TABLE = ''.join(map(chr, range(256))) DELETECHARS = ''.join(c for c in TABLE if len(repr(c)) != 6) def main(): try: arguments = sys.argv[1:] assert arguments for path in arguments: assert os.path.isdir(path) for function in (untar, bias, convert): for path in arguments: engine(path, function) except: sys.stdout.write( 'Usage: %s ' % os.path.basename(sys.argv[0])) def engine(path, function): global ERROR for root, dirs, files in os.walk(path): for name in files: path = os.path.join(root, name) try: function(path) except: sys.stderr.write('%sError: %s' % (ERROR and '\n' or '', path)) ERROR = True def untar(path): try: tarfile.open(path).extractall(os.path.dirname(path)) except: pass def bias(path): root, ext = os.path.splitext(path) if not ext[1:]: os.rename(path, root + '.txt') def convert(path): if not file(path, 'rb').read(2 ** 20).translate(TABLE, DELETECHARS): data = file(path, 'r').read() file(path, 'w').write(data) if __name__ == '__main__': main()