#! /bin/sh
#
# killwhitespace - removes trailing whitespace from source files
#
# Copyright (C) 2005 - 2011 Eggheads Development Team
#
# This file 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.
#
# $Id: killwhitespace,v 1.6 2011/02/13 14:19:33 simple Exp $

find_whitespace_files() {
	grep -rE '[[:space:]]+$' . | sed 's/:.*//' | grep '\.[ch]$' | sort | uniq
}

if test ! -f src/main.c; then
	echo "You are not in the Eggdrop root directory."
	exit 1
fi

echo -n "Running 'make clean'... "
make clean >/dev/null 2>&1
echo "done."

count=0
for i in $(find_whitespace_files); do
	count=$(($count + 1))
	echo -n "${i}... "
	sed -e 's:[ \t]*$::g' $i > ${i}_
	mv ${i}_ $i
	echo "done."
done

echo "Found/fixed ${count} files."