append_file(relative_destination, data)
protected
Append text to a file
Example
append_file 'config/environments/test.rb', 'config.gem "rspec"'
# File railties/lib/rails_generator/generators/applications/app/template_runner.rb, line 374
def append_file(relative_destination, data)
path = destination_path(relative_destination)
File.open(path, 'ab') { |file| file.write(data) }
end
