search for: newfile_field

...am checking the file size of an uploaded file and storing it in a filesize column. It will work just fine when the user uploads any files other than images (jpg,png,gif). Word, Excel, Powerpoint, .zip and more all work fine. This is my model asset.rb that handles the file upload. def newfile=(newfile_field) self.filename = base_part_of(newfile_field.original_filename) self.filetype = newfile_field.content_type.chomp self.filesize = File.size(newfile_field) ### It fails on this line for images... end The error I get is: "can''t convert StringIO into String" I''...