Create array of regions for batch?

I have a general region (for example 3 x 3 degrees) and I would like to do the same processing (with batch) in a sub-region of 1x1. Is this an easy way to create an array like this?

0/1/0/1
0/1/1/2
0/1/2/3
1/2/0/1
1/2/1/2
1/2/2/3
2/3/0/1
2/3/1/2
2/3/2/3

yes, see grdinfo -D1 for this use.

Thanks @pwessel I used the following command:

gmt grdinfo -R0/3/0/3 -D0 -I1 > array.txt

-R0/1/0/1
-R1/2/0/1
-R2/3/0/1
-R0/1/1/2
-R1/2/1/2
-R2/3/1/2
-R0/1/2/3
-R1/2/2/3
-R2/3/2/3

and you can add -C if you just want the values in separate columns for any scripting use.

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