trim set of images same amount

[utnuc]

I've got a set of stills extracted from a video that I'd like to process the same way, but when I apply -trim to each still they are getting trimmed a tad different each time (when they should have the exact amount of black space on every still. Is there a way to get the average trim of a set and apply it to each one? Here's my code:

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convert in.png -trim +repage out.png

[fmw42]

try

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cd to directory of images
convert * -format "%@" info:

See http://www.imagemagick.org/script/escape.php


You can then process all the data to get the average width, height, xoffset and yoffset and then use -crop WxH+X+Y +repage, but it depends upon your OS for scripting.

Please always provide your IM version and platform when asking questions to save a lot of back and forth questions and answers.

[utnuc]

this worked brilliantly with a little bash scripting. Thanks fmw42!