#!/bin/sh  
 
error () {
        echo "ERROR: $1"
        exit 1
}
 
setup () {

[ -z "$PAGER" ] && PAGER=less

DIR="$HOME"
[ -z "$DIR" ] && DIR="/tmp/"
[ ! -d "$DIR" ] && error "sorry i need $DIR for temp files"

if [ -n "`which tempfile`" ]; then
        tmp=`tempfile -d $DIR --prefix=.`
        [ -e "$tmp" ] || error "failed to create temp file $tmp!"
else
        tmp=$DIR/man.$$
        if [ ! -e "$tmp" ] ; then
                >$tmp
        else
                error " $tmp! created for other user"
        fi
fi
trap "rm -rf $tmp" 1 2 3 9 15

if [ -n "`which lynx`" ]; then
        DOWNLOAD="lynx --dump --nolist";
elif [ -n "`which links`" ]; then
        DOWNLOAD="links -dump";  
elif [ -n "`which w3ma`" ]; then 
        DOWNLOAD="w3m -dump -T text/html -s";
else
        error "you have to install lynx, links or w3m";
fi
  
} 
  
[ -z "$1" ] && error "use: $0 command"
setup

$DOWNLOAD "http://man.linuxquestions.org/?query=$1" > $tmp
[ $? -ne 0 ] && error "error while reading online man"


if [ -f "$tmp" ]
then
        cat $tmp 2> /dev/null | tail -n $((`wc -l $tmp 2> /dev/null | awk '{ print $1 ;}'`-2)) | $PAGER
        echo
        rm $tmp
else
        error "error reading $tmp"
fi