#!/usr/bin/env python
import sys, os

def tonative(fname):
    data = file(fname).read()
    lines = data.splitlines()
    if data[-1] in '\r\n':
        lines.append('')
    file(fname, 'wb').write(os.linesep.join(lines))

if __name__ == '__main__':
    for fname in sys.argv[1:]:
        tonative(fname)