#!/bin/sh
"""": # -*-python-*-
exec env LC_CTYPE=iso-8859-1 python "$0" ${1+"$@"}
"""

from __future__ import absolute_import, print_function
import sys

py_maj = sys.version_info[0]

import argparse
if py_maj > 2:
    byte_stream = lambda x: x.buffer
    from os import fsencode
else:
    byte_stream = lambda x: x
    fsencode = lambda x: x

parser = argparse.ArgumentParser()
parser.add_argument('-l', nargs=2, metavar=('ORIG', 'NEW'), action='append',
                    help='literally replace ORIG with NEW')
opt = parser.parse_args()

sys.stdout.flush()
with byte_stream(sys.stdin) as stdin:
    content = stdin.read()
for orig, new in opt.l:
    content = content.replace(fsencode(orig), fsencode(new))
byte_stream(sys.stdout).write(content)