| niklase@google.com | 47bdc46 | 2011-05-30 11:42:35 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | import sys |
| 4 | import fileinput |
| 5 | |
| 6 | # Defaults |
| 7 | TABSIZE = 4 |
| 8 | |
| 9 | usage = """ |
| 10 | Replaces all TAB characters with %(TABSIZE)d space characters. |
| 11 | In addition, all trailing space characters are removed. |
| 12 | usage: trim file ... |
| 13 | file ... : files are changed in place without taking any backup. |
| 14 | """ % vars() |
| 15 | |
| 16 | def main(): |
| 17 | |
| 18 | if len(sys.argv) == 1: |
| 19 | sys.stderr.write(usage) |
| 20 | sys.exit(2) |
| 21 | |
| 22 | # Iterate over the lines of all files listed in sys.argv[1:] |
| 23 | for line in fileinput.input(sys.argv[1:], inplace=True): |
| 24 | line = line.replace('\t',' '*TABSIZE); # replace TABs |
| 25 | line = line.rstrip(None) # remove trailing whitespaces |
| 26 | print line # modify the file |
| 27 | |
| 28 | if __name__ == '__main__': |
| 29 | main() |