bin/strip_whitespace

   1 #!/usr/bin/env python
   2
   3 def strip_file(filename, write, report):
   4     lines = enumerate(open(filename).readlines())
   5     if write:
   6         f = open(filename, "w")
   7     for index, line in lines:
   8         if report and line.endswith(" \n"):
   9             print "%s, line %s" % (filename, index + 1)
  10         if write:
  11             f.write(line.rstrip() + "\n")
  12
  13 def main():
  14     from optparse import OptionParser
  15     p = OptionParser("usage: %prog [options] filename")
  16     p.add_option("-d", "--dry", action="store_true", dest="dry",
  17                  help="Do not modify files.")
  18     p.add_option("-v", "--verbose", action="store_true", dest="verbose",
  19                  help="Report all changes.")
  20     options, args = p.parse_args()
  21     if options.dry:
  22         options.verbose = True
  23     if len(args) == 1:
  24         strip_file(args[0], not options.dry, options.verbose)
  25     else:
  26         p.print_help()
  27
  28 if __name__ == "__main__":
  29     main()