freebsd-dev/gnu/usr.bin/man/apropos/apropos.sh
1993-07-07 23:07:02 +00:00

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#!/bin/sh
#
# apropos -- search the whatis database for keywords.
#
# Copyright (c) 1990, 1991, John W. Eaton.
#
# You may distribute under the terms of the GNU General Public
# License as specified in the README file that comes with the man
# distribution.
#
# John W. Eaton
# jwe@che.utexas.edu
# Department of Chemical Engineering
# The University of Texas at Austin
# Austin, Texas 78712
PATH=/usr/local/bin:/bin:/usr/ucb:/usr/bin
libdir=%libdir%
if [ $# = 0 ]
then
echo "usage: `basename $0` keyword ..."
exit 1
fi
manpath=`%bindir%/manpath -q | tr : '\040'`
if [ "$manpath" = "" ]
then
echo "whatis: manpath is null"
exit 1
fi
if [ "$PAGER" = "" ]
then
PAGER="%pager%"
fi
while [ $1 ]
do
found=0
for d in $manpath /usr/lib
do
if [ -f $d/whatis ]
then
grep -i "$1" $d/whatis
status=$?
if [ "$status" = "0" ]
then
found=1
fi
fi
done
if [ "$found" = "0" ]
then
echo "$1: nothing appropriate"
fi
shift
done | $PAGER
exit