commandlinefu.com is the place to record those command-line gems that you return to again and again.
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Every new command is wrapped in a tweet and posted to Twitter. Following the stream is a great way of staying abreast of the latest commands. For the more discerning, there are Twitter accounts for commands that get a minimum of 3 and 10 votes - that way only the great commands get tweeted.
Use your favourite RSS aggregator to stay in touch with the latest commands. There are feeds mirroring the 3 Twitter streams as well as for virtually every other subset (users, tags, functions,…):
Subscribe to the feed for:
Digital cameras embed EXIF data into the images they create indicating which orientation the photo was taken in. Some viewers and editors are smart enough to read this, but many are not (and web browsers ignore it). jhead is one of not many tools available that can losslessly rotate jpeg images. This command reads the EXIF orientation of each image, and rotates it if necessary.
There are 14 alternatives - vote for the best!
If you can do better, submit your command here.
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