Rails：如何将本地文件加载到模型中？

Question

I have a file located in /lib/dir/file.xml

I'm trying to call it by:

file = Nokogiri::XML(File.open('#{RAILS_ROOT}/lib/dir/file.xml'))

But I get the error, I'm not sure what I'm doing wrong. The file definitely exists.

Errno::ENOENT: No such file or directory - #{RAILS_ROOT}/lib/dir/file.xml

I'm on rails 4 and Ruby 2 if it helps. How do I load this file?

Answer 1

I found out what the issue was.

RAILS_ROOT is depreciated. You're supposed to use Rails.root instead.

So here's the solution for people who see this in the future:

root = Rails.root.to_s #make sure string    
file = Nokogiri::XML(File.open("#{root}/lib/dir/file.xml"))