ruby - How can I remove a line in one file on Rails? -

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i trying remove line in 1 file on rails. found method gsub_file, undefined method in rails 4. it's reverse method of insert_into_file of thor.

e.g.) app/assets/stylesheets/application.css

before

 *= require_tree . <- needs removed!  *= require_self

after

 *= require_self

this should performed in rails application template.

if implementing application template (for use rails new myapp -m option), try using thor gsub_file, this:

gsub_file 'app/assets/stylesheets/application.css', /*= require_tree .\n/, ""

take @ rails_apps_composer gem if you'd see lots of file manipulation using thor.


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