#!/bin/bash

clear
[ -z $1 ]&&{
cat << !
'doc' by Ben Okopnik - a /usr/doc info reader
---------------------------------------------

Usage: doc <xyz>

'doc' will list all choices matching 'xyz*'.
More letters produce a narrower query.

!
exit
}

cd /usr/doc
cd $(select A in $1*;do echo $A;break;done)
clear

# Due to the unpredictable depth of directory structures and
# the random number of 'retrievals', the loop here has to be 
# infinite... which makes the exit method a rather crude one.

while [ 1 ]
do 
    echo 'Enter "0" to change to the parent dir; press "Ctrl-C" when done.'
    echo '----------------------------------------------------------------'
    echo
    B=$(select C in *;do echo $C;break;done)
    [ -z $B ] && B=".."
    if [ -d $B ]
    then
	cd ./$B
	clear
    else
	mc -v $B
	clear
    fi
done