cmd/crlf.py

44 lines
938 B
Python

'''
Convert LF line endings to CRLF.
'''
import argparse
import sys
from voussoirkit import pathclass
from voussoirkit import pipeable
CR = b'\x0D'
LF = b'\x0A'
CRLF = CR + LF
def crlf(file):
content = file.read('rb')
original = content
content = content.replace(CRLF, LF)
content = content.replace(LF, CRLF)
if content == original:
return
file.write('wb', content)
def crlf_argparse(args):
patterns = pipeable.input_many(args.patterns, skip_blank=True, strip=True)
files = pathclass.glob_many(patterns)
for file in files:
crlf(file)
pipeable.stdout(file.absolute_path)
return 0
def main(argv):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('patterns')
parser.set_defaults(func=crlf_argparse)
args = parser.parse_args(argv)
return args.func(args)
if __name__ == '__main__':
raise SystemExit(main(sys.argv[1:]))