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