minix/commands/scripts/whatis.sh
2005-04-21 14:53:53 +00:00

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#!/bin/sh
#
# whatis/apropos 1.3 - search whatis(5) database for commands
# Author: Kees J. Bot
# BUGS
# whatis file must be as if created by makewhatis(8).
#
# This version includes a fix by Michael Haardt originally posted to
# comp.os.minix in July 1999. Fixes for grep provided by Michael in May
# 1999 caused whatis to break, this is now fixed. (ASW 2004-12-12)
all='exit 0'
case "$1" in
-a) all="found='exit 0'"
shift
esac
case $#:$0 in
1:*whatis)
;;
1:*apropos)
all="found='exit 0'"
;;
*) echo "Usage: `basename $0` [-a] <keyword>" >&2
exit 1
esac
IFS=":$IFS"
MANPATH="${MANPATH-/usr/local/man:/usr/man}"
found=
for m in $MANPATH
do
for w in $m/whatis
do
test -f $w || continue
case $0 in
*whatis)
grep '^\('$1'\|[^(]* '$1'\)[ ,][^(]*(' $w && eval $all
;;
*apropos)
grep -i "$1" $w && eval $all
esac
done
done
$found
echo "`basename $0`: $1: not found" >&2
exit 1