Arguments:
Description:
Start a
for...done block.
Example of use:
$ gmic
image.jpg resize2dy 32 400,400,1,3 x=0 for $x<400 image[1] [0],$x,$x x+=40 done

Command:
image.jpg resize2dy 32 400,400,1,3 x=0 for $x<400 image[1] [0],$x,$x x+=40 done

Command:
image.jpg resize2dy 32 400,400,1,3 x=0 for $x<400 image[1] [0],$x,$x x+=40 done