#!/bin/bash

# multiline-grep

############################################################################
#    Copyright (C) 2010 by David                                           #
#    david@dward.us                                                        #
#                                                                          #
#    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.,                                       #
#    59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             #
###########################################################################

# A sed script that lets you search from 1 pattern to another, spanning new lines.


usage() {

        printf "$0 <1st regex> <2ndregex> <file>\n\n"
}



if [ "$#" -lt 3 ]
then
usage
fi



sed '/'"$1"'/,/'"$2"'/{/'"$2"'/d;p};d' "$3"
exit 0