cpython/Tools/scripts/lfcr.py at master · python-emscripten/cpython · GitHub

Repository navigation

#! /usr/bin/env python3

"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

with open(filename, "rb") as f:

data = f.read()

if b'\0' in data:

print(filename, "Binary!")

continue

newdata = re.sub(b"\r?\n", b"\r\n", data)

if newdata != data:

print(filename)

with open(filename, "wb") as f:

f.write(newdata)

if __name__ == '__main__':

main()