#!/bin/bash

# Title........: wisdom
# Description..: Run once a day to improve your mind
# Author.......: Mitchell Johnston - uid 0 
# Last Modified: Thu Sep 03 2009 
#----------------------------------

# variables
#----------------------------------
AWKSCRIPT="/tmp/random.awk.$$"
CMDS="/var/tmp/cmds.dat"
# colorize man
export LESS_TERMCAP_mb=$(printf '\e[01;31m') # enter blinking mode – red
export LESS_TERMCAP_md=$(printf '\e[01;35m') # enter double-bright mode – bold, magenta
export LESS_TERMCAP_me=$(printf '\e[0m') # turn off all appearance modes (mb, md, so, us)
export LESS_TERMCAP_se=$(printf '\e[0m') # leave standout mode
export LESS_TERMCAP_so=$(printf '\e[01;33m') # enter standout mode – yellow
export LESS_TERMCAP_ue=$(printf '\e[0m') # leave underline mode
export LESS_TERMCAP_us=$(printf '\e[04;36m') # enter underline mode – cyan 



# functions
#----------------------------------



# main
#----------------------------------


if [ ! -f $CMDS ]      # if no command listing, make one
then
	find /usr/bin >$CMDS
	find /usr/sbin >>$CMDS
fi

cat << "EOF" > $AWKSCRIPT ## write out script
BEGIN { srand(); }
      { s[NR] = $0 }
END   { print s[randint(NR)] }
function randint(n) { return int (n * rand() ) + 1 }
EOF

## grab one and then do a man against the base name w/o path data
NAME=$(nawk -f $AWKSCRIPT < $CMDS)
if [ $# -gt 0 ]
then
	man $(basename $NAME)|head -25
else
	man $(basename $NAME)
fi