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|
:
#!/bin/sh
OPTIONS=
FILES=
for ARG
do
case "$ARG" in
-*) OPTIONS="$OPTIONS $ARG";;
*) FILES="$FILES $ARG";;
esac
done
if test -z "$FILES"; then
echo "Usage: zdiff [diff_options] file [file]"
exit 1
fi
set $FILES
if test $# -eq 1; then
FILE=`expr $1 : '\(.*\)\.Z' '|' $1`
zcat $FILE | diff $OPTIONS - $FILE
STAT="$?"
elif test $# -eq 2; then
case "$1" in
*.Z) case "$2" in
*.Z) F=`basename $2 .Z`
zcat $2 > /tmp/$F.$$
zcat $1 | diff $OPTIONS - /tmp/$F.$$
STAT="$?";;
*) zcat $1 | diff $OPTIONS - $2;;
esac;;
*) case "$2" in
*.Z) zcat $2 | diff $OPTIONS $1 -
STAT="$?";;
*) diff $OPTIONS $1 $2
STAT="$?";;
esac;;
esac
exit "$STAT"
else
echo "Usage: zdiff [diff_options] file [file]"
exit 1
fi
|
