#!/bin/sh
#
#  makediff old-version new-version
#
#  install diff of old and new versions of Lout
#  Jeff Kingston March 2000
#
OLD=$1
NEW=$2

echo "installing diff from lout-${OLD} to lout-${NEW}"
echo ""
echo "unpacking lout-${OLD}"
gunzip lout-${OLD}.tar.gz
tar xf lout-${OLD}.tar
echo ""
echo "unpacking lout-${NEW}"
gunzip lout-${NEW}.tar.gz
tar xf lout-${NEW}.tar
echo ""
echo "diffing lout-${OLD} to lout-${NEW}"
gnudiff -u --recursive --new-file lout-${OLD} lout-${NEW} > lout-${OLD}-to-${NEW}
gzip lout-${OLD}-to-${NEW}
echo ""
echo "removing lout-${OLD} and lout-${NEW} and rezipping their tar files"
rm -fr lout-${OLD} lout-${NEW}
gzip lout-${OLD}.tar
gzip lout-${NEW}.tar
echo ""
echo "done; here is an ls to prove it"
ls