remove trailing newline at the end of the file / windows tools generate this crap a one needs to be compatible with them

strip-nl-at-the-end.py

import sys

if sys.platform == "win32":
    import os, msvcrt
    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

if len(sys.argv) < 2:
    sys.exit(1)

with open(sys.argv[1], 'rb') as f:
    oldline = None
    for line in f:
        if oldline:
            sys.stdout.write(oldline)
        oldline = line
    if oldline[-2:] == '\r\n':
        oldline = oldline[:-2]
    if oldline[-1:] == '\n':
        oldline = oldline[:-1]
    sys.stdout.write(oldline)