When you return from a trip and copy your digital pictures over to your file server, you might like to rename the image files or (losslessly) rotate them to their correct orientation to make finding and viewing them simpler. You might even want to embed comments right into the image files in such a way that all image viewing tools should be able to harvest and share this metadata. In this article we'll take a look at some command-line tools to help you with these tasks.



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