#!/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 # # apropos-1.4d aeb 950220 # OLDPATH=$PATH PATH=/usr/local/bin:/bin:/usr/ucb:/usr/bin libdir=/usr/lib if [ $# = 0 ] then echo "usage: `basename $0` keyword ..." exit 1 fi manpath=`(PATH=$OLDPATH; /usr/bin/man --path) | tr : '\040'` if [ "$manpath" = "" ] then echo "apropos: manpath is null" exit 1 fi if [ "$PAGER" = "" ] then PAGER="/usr/bin/less -is" fi # avoid using a pager if only output is "nothing appropriate" nothing= found=0 while [ $found = 0 -a -n "$1" ] do for d in $manpath /usr/lib do if [ -f $d/whatis ] then if grep -is "$1" $d/whatis then found=1 fi fi done if [ $found = 0 ] then nothing="$nothing $1" shift fi done if [ $found = 0 ] then for i in $nothing do echo "$i: nothing appropriate" done exit fi while [ $1 ] do for i in $nothing do echo "$i: nothing appropriate" done nothing= found=0 for d in $manpath /usr/lib do if [ -f $d/whatis ] then if grep -i "$1" $d/whatis then found=1 fi fi done if [ $found = 0 ] then echo "$1: nothing appropriate" fi shift done | $PAGER exit