NetBSD/gnu/dist/groff/gendef.sh

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# gendef filename var=val var=val
file=$1
shift
defs="#define $1"
shift
for def
do
defs="$defs
#define $def"
done
# Use $TMPDIR if defined. Default to cwd, for non-Unix systems
# which don't have /tmp on each drive (we are going to remove
# the file before we exit anyway). Put the PID in the basename,
# since the extension can only hold 3 characters on MS-DOS.
t=${TMPDIR-.}/gro$$.tmp
sed -e 's/=/ /' >$t <<EOF
$defs
EOF
test -r $file && cmp -s $t $file || cp $t $file
rm -f $t
exit 0