#!/bin/sh
range=5
#T=`date +%S`
T=`expr substr $RANDOM 2 2`
echo $T
R=`expr $T '*' $range / 100`
echo $R
case $R in
0|1|2) echo zero-2 ;;
3) echo 'three' ;;
4) echo four ;;
5) echo five ;;
esac