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Or use jpegtran / jhead
Authored by: vogunaescht on Aug 07, '03 10:35:41AM
The shell command "jpegtran" is included with libjpeg and can be used to strip extra markers from jpeg files (and more). I use

jpegtran -o -p -copy none outputfile.jpg

to optimize the jpeg header, convert the jpeg (lossless) to the smaller progressive jpeg format and remove all extra markers like comments.

jhead can do a lot with exif headers, i just use it to rename digicam pictures to the date/time the pic was taken, autorotate it and then remove the header with

jhead -de file.jpg

jhead can do a lot more, btw.

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