| #!/usr/bin/env python |
| |
| import sys |
| import fileinput |
| |
| # Defaults |
| TABSIZE = 4 |
| |
| usage = """ |
| Replaces all TAB characters with %(TABSIZE)d space characters. |
| In addition, all trailing space characters are removed. |
| usage: trim file ... |
| file ... : files are changed in place without taking any backup. |
| """ % vars() |
| |
| def main(): |
| |
| if len(sys.argv) == 1: |
| sys.stderr.write(usage) |
| sys.exit(2) |
| |
| # Iterate over the lines of all files listed in sys.argv[1:] |
| for line in fileinput.input(sys.argv[1:], inplace=True): |
| line = line.replace('\t',' '*TABSIZE); # replace TABs |
| line = line.rstrip(None) # remove trailing whitespaces |
| print line # modify the file |
| |
| if __name__ == '__main__': |
| main() |