cat ./testtt.sh
#!/bin/shi=0; j=0
while [ $i -lt 5 ]; do
while [ $j -lt 5 ]; do
echo $i $j
j=$(expr $j + 1)
done
i=$(expr $i + 1)
done%./testtt.sh
0 0
0 1
0 2
0 3
0 4
%
>cat ./testtt.sh
>#!/bin/sh
>
>i=0; j=0
>
>while [ $i -lt 5 ]; do
> while [ $j -lt 5 ]; do
> echo $i $j
> j=$(expr $j + 1)
> done
> i=$(expr $i + 1)
j=0
>done