I wrote a similar post last year (http://rossduggan.ie/blog/codetry/extracting-information-from-a-lot-of-images-on-disk-using-find/ http://rossduggan.ie/blog/co

I wrote a similar post last year (http://rossduggan.ie/blog/codetry/extracting-information-from-a-lot-of-images-on-disk-using-find/ http://rossduggan.ie/blog/codetry/extracting-information-fro...); it's one of those things you can't believe you worked without before. Easily one of the best tools in a developer's arsenal.