dos2unix.py


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#! /usr/bin/env python
"Replace CRLF with LF in argument files.  Print names of changed files."

import sys, os, glob

def main():
    for arg in sys.argv[1:]:
        for filename in glob.glob(arg):
            if os.path.isdir(filename):
                print filename, "Directory!"
                continue
            data = open(filename, "rb").read()
            if '\0' in data:
                print filename, "Binary!"
                continue
            newdata = data.replace("\r\n", "\n")
            if newdata != data:
                print filename
                f = open(filename, "wb")
                f.write(newdata)
                f.close()

if __name__ == '__main__':
    main()