ref: 3a41ce3bf314caad67c2c52a06142f7ac60611c7
dir: /sys/src/cmd/python/Tools/scripts/lfcr.py/
#! /usr/bin/env python "Replace LF with CRLF in argument files. Print names of changed files." import sys, re, os def main(): for filename in sys.argv[1:]: if os.path.isdir(filename): print filename, "Directory!" continue data = open(filename, "rb").read() if '\0' in data: print filename, "Binary!" continue newdata = re.sub("\r?\n", "\r\n", data) if newdata != data: print filename f = open(filename, "wb") f.write(newdata) f.close() if __name__ == '__main__': main()