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#!/bin/sh
# $LynxId: install-lss.sh,v 1.1 2007/05/13 22:15:29 tom Exp $
# install lynx.lss, ensuring the old config-file is saved to a backup file.
#
# $1 = install program
# $2 = file to install
# $3 = where to install it
PRG="$1"
SRC=$2
DST=$3
if test -f "$DST" ; then
# See if we have saved this information before
if cmp -s $SRC $DST
then
echo "... installed $DST would not be changed"
else
NUM=1
while test -f ${DST}-${NUM}
do
if cmp -s $SRC ${DST}-${NUM}
then
break
fi
NUM=`expr $NUM + 1`
done
if test ! -f ${DST}-${NUM}
then
echo "... saving old config as ${DST}-${NUM}"
mv $DST ${DST}-${NUM} || exit 1
fi
echo "** installing $SRC as $DST"
eval $PRG $SRC $DST || exit 1
fi
else
echo "** installing $SRC as $DST"
eval $PRG $SRC $DST || exit 1
fi
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