#!/bin/bash
#
#!F:paco
#
#!p:/usr/local/bin
#
#!D:Patch Contents Utility 
#
#!C:Copyright 1997-2001 by Peter Bieringer <pb@bieringer.de>
#
#!V:Version 1.03 2001-09-22
#
# Changes to
#  1.01: Info display
#  1.02: Supports now bzip2, too
#  1.03/20010922: fix bug regarding displaying not filename

# Display information
info() {
  grep "^#!D" $0 | awk -F: '{ print $2}'
  grep "^#!C" $0 | awk -F: '{ print " " $2}'
  grep "^#!V" $0 | awk -F: '{ print " " $2}'
  echo
}
    
## Start

info

# Test for argument
if [ "$1" = "" ]; then
	echo -e " Usage: $0 patch*.[gz|bz2]\n"
	echo -e "Take one of the following:\n"
	ls patch*.gz
	echo
	exit 1
fi

SUFFIX=`echo $1 | awk -F. '{ print $NF }'`

if [ "$SUFFIX" = "gz" ]; then
    gzip -cd $1 | grep 'diff -u' | awk '{ print $NF }'
elif [ "$SUFFIX" = "bz2" ]; then
    bzip2 -cd $1 | grep 'diff -u' | awk '{ print $NF }'
else
    cat $1 | grep 'diff -u' | awk '{ print $NF }'
fi

echo