ruby on rails - How to put the output report of the flay gem in a file? -

ruby on rails - How to put the output report of the flay gem in a file? -

i trying find code duplication in code. using flay gem. although tedious view in terminal. how set result generated flay gem in file in study format?

i tried -o option, not working.

i using flay 2.5.0.

ruby-on-rails ruby gem