My program:

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#!/bin/ksh

DAY=`date +%y%m%d`
H=`date +%H`
M=`date +%M`
day=`date +%m/%d/%y`
let h=$H-1
echo DAY $DAY
echo H $H
echo M $M
echo day $day
echo h $h

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My result:

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DAY 061023
H 09
M 38
day 10/23/06
h 8

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My need help:


on the "let h=$H-1" I have the result of number 8; how can I make it 08 ( have the zero in front of 8)


please help