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ExpressionEngine Assets - changing images

I uploaded some images to be used on a post last night using Assets from Pixel and Tonic for ExpressionEngine. I realised that I had not optimised them for the web - they were a mix of between 1-2mb large which is a little bit ridiculous for the web! The issue was that I had already carefully gone through each image writing out all the meta data as I display some of it on the page and I didn’t want to go through that process all over again. I could not see a way of updating the image itself with a new web optimised version and I wasn’t sure how the image was hooked into the database.

So I took a punt and uploded the new versions of the images via ftp and overwrote those on the server. What happened was that the assets had new versions and retained the metadata but the file size changed on the meta data. Very impressive and well worked out by Pixel and Tonic!

So if you need to update your assets - be they images of pdfs or whatever - and don’t want to loose the associated metadata then overwrite the images using ftp.