ruby on rails - How to get uploaded image file size? -


this problem. using carrierwave upload images , trying file size in kb each version of uploaded image. i've tried gives me wrong file size:

if @file   img = ::magick::image::read(@file.file).first   size = img.to_blob.size end

if remove to_blob , try img.size, receive error size not defined method. there way image size in carrierwave uploader while uploading file? :)

the carrierwave wiki has recipe how implement this: https://github.com/carrierwaveuploader/carrierwave/wiki/how-to:-store-the-uploaded-file-size-and-content-type


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