Super Spread Sheet S³

Or little computing tricks and hacks

Rotate image with convert

Another simple but powerful use of convert:


convert original.jpg -rotate -90 new.jpg

convert original.jpg -rotate 90 new.jpg

To rotate the image to the left (anticlockwise) and to the right (clockwise), respectively.

Take from https://help.ubuntu.com/community/Photos/RotatingPhotos,

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