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rol	Built-in command

Arguments:

• value[%]    or
• [image]    or
• 'formula'    or
• (no arg)

Description:

Compute the bitwise left rotation of selected images with specified value, image or mathematical expression, or compute the pointwise sequential bitwise left rotation of selected images.

Example of use:

Command: image.jpg rol 'round(3*x/w,0)' cut 0,255