mirror of https://github.com/python/cpython.git
51 lines
1.0 KiB
Python
51 lines
1.0 KiB
Python
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#! /usr/bin/env python
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"Replace tabs with spaces in argument files. Print names of changed files."
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import os
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import sys
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import string
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import getopt
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def main():
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tabsize = 8
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try:
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opts, args = getopt.getopt(sys.argv[1:], "t:")
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if not args:
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raise getopt.error, "At least one file argument required"
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except getopt.error, msg:
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print msg
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print "usage:", sys.argv[0], "file ..."
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return
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for file in args:
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process(file, tabsize)
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def process(file, tabsize):
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try:
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f = open(file)
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text = f.read()
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f.close()
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except IOError, msg:
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print "%s: I/O error: %s" % (`file`, str(msg))
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return
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newtext = string.expandtabs(text, tabsize)
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if newtext == text:
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return
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backup = file + "~"
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try:
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os.unlink(backup)
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except os.error:
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pass
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try:
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os.rename(file, backup)
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except os.error:
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pass
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f = open(file, "w")
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f.write(newtext)
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f.close()
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print file
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if __name__ == '__main__':
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main()
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