#!/bin/sh

# rpmcat -- cat a file in the contents of rpm package
# Usage: $ rpmcat <RPM> <full-file-path>
# Tip: 
# * use rpmls <RPM> to list the files in an RPM
# * pipe to less/more - e.g. $ rpmcat <RPM> <full-file-path> | less

# Dependencies: rpm, cpio

# Copyright (C) 2010 Shreyank Gupta <sgupta@REDHAT.COM>
#
# 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 St, Fifth Floor, Boston, MA  02110-1301  USA

rpm=`basename $1`
tmpdir='/tmp/rpmcat'
if [ ! -d $tmpdir ]; then
    mkdir $tmpdir 
fi
cp $1 $tmpdir
pushd $tmpdir > /dev/null
rpm2cpio $rpm | cpio -id --quiet
cat $tmpdir$2
rm -rf *
popd > /dev/null
exit 0