diff options
Diffstat (limited to '')
| -rwxr-xr-x | scripts/install-lss.sh | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/install-lss.sh b/scripts/install-lss.sh new file mode 100755 index 0000000..eb9694a --- /dev/null +++ b/scripts/install-lss.sh @@ -0,0 +1,38 @@ +#!/bin/sh +# $LynxId: install-lss.sh,v 1.2 2021/01/07 00:32:39 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 |