abs=-1;
printf “the number is : %d\n” $abs;
printf “abs is : %d\n” $abs;
if [ $abs -lt 0 ]; then
let abs=0-$abs;
fi
printf “abs is : %d\n” $abs;
printf “the number is : %d\n” $abs;
printf “abs is : %d\n” $abs;
if [ $abs -lt 0 ]; then
let abs=0-$abs;
fi
printf “abs is : %d\n” $abs;
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