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.exist?.

if FileTest.exist?("#{RAILS_ROOT}/public/images/#{img}")
  image_check = image_tag("#{img}",options)
else
  image_check = image_tag("products/noimg.gif", options)
end