How to check if image exists in Rails?

Question

<%= image_tag(\"/images/users/user_\" + @user_id.to_s + \".png\") %>

How do you check to see if there is such an image, and if not, then disp

Answer 1

You can use File.file? method.

if File.file?("#{Rails.root}/app/assets/images/{image_name}")
  image_tag("#{image_name}")
end

You can also use File.exist? method but it will return true if it finds a directory or a file. The method file? is slightly more picky than exist?