#!/bin/sh
# ddprogress - show dd progress every 3 seconds
# Copyright (C) 2008 Luca Bruno <lucab@debian.org> and Lucio Crusca <lucio@sulweb.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


dd $* &
pid=$!

if [ "$pid" != "" ] ; 
 then
  while ( ps -p $pid > /dev/null ) ; 
   do
    sleep 3
    kill -USR1 $pid 2> /dev/null
  done
fi