On Saturday 16 September 2006 00:29, Tim wrote: >On Sat, 2006-09-16 at 09:42 +0530, François Patte wrote: >> All these answers about adding comment text to jpeg are interresting >> but the result is "binary". I have been seeking for a while (and did >> not find an answer) on how to annotate an image with a "grep readable" >> annotation. If I use Gimp or ImageMagick, to write the comment "foo" >> in an image, grep foo image.jpg returns "binary file image.jpg >> matches". > >Actually, this was the first sort of thing I did find in a Google search >(keywords: adding text to jpegs). I'm not looking at those results >now, but I think it was done by putting data into EXIF (or similar) data >fields in the JPEGs. For my own purposes (album cataloguing that didn't >depend on using particular software in the future), it's a neat idea, >but I've not followed up on it so far. > >The other ones about modifying the images are what I want to do at the >moment. I had a brief play with "composite" from ImageMagick last >night, which was slow, and I hadn't yet figured out how to do a batch of >files (I'll work through that over the weekend). > >It occurred to me that I'd like to add text rather than merge two images >together, so I could write "PROOF" as well as the image number (from the >file) onto the picture. That gives people an easy way to say they >wanted a copy of picture number 256. > >I think I can work out how to handle a batch of files to add consistent >text, now. But I haven't worked out how I could extract "256" from a >filename like "img_0256.jpg", yet. The filenames are all the same >length, so there's got to be some tool that'll let me strip characters >7, 8 & 9 out of the name. > May I suggest 'man bash'? >-- >(Currently running FC4, occasionally trying FC5.) > >Don't send private replies to my address, the mailbox is ignored. >I read messages from the public lists. -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Yahoo.com and AOL/TW attorneys please note, additions to the above message by Gene Heskett are: Copyright 2006 by Maurice Eugene Heskett, all rights reserved.