"dd status=progress" substitute for coreutils <8.24

progress-dd

#! /usr/bin/env python
# Wrapper around dd(1)
# .. saving you to run "kill -USR1 <pid>" in another shell
#
# Copyright (C) 2011 Sebastian Pipping <[email protected]>
# Licensed under GPL v3 or later
#
# 2011-02-23 04:48 UTC+1

import subprocess
import time
import sys
import signal
import os

args = ["dd", ] + sys.argv[1:]
p = subprocess.Popen(args)

try:
    p.poll()
    while p.returncode is None:
        time.sleep(1)
        os.kill(p.pid, signal.SIGUSR1)
        p.poll()
except KeyboardInterrupt as e:
    os.kill(p.pid, signal.SIGINT)
    p.poll()
finally:
    sys.exit(p.returncode)