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"missing image filename" error from compare program

https://imagemagick.com/discourse-server/viewtopic.php?t=23859

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Re: "missing image filename" error from compare program

Posted: 2018-04-26T16:55:50-07:00
by fmw42

Code: Select all

magick compare -metric MSE $f1 $f2 NULL: 2>&1 >> /file
Output from compare goes to stderr not stdout. So you have to add 2>&1
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