TeeSimple

write output to $stdout and $stderr's content to other file or io object.

Add this line to your application's Gemfile:

gem 'tee_simple'

And then execute:

$ bundle

Or install it yourself as:

$ gem install tee_simple

require 'tee_simple'
TeeSimple.install('/tmp/tee1.log')

puts 'abcd',1234
STDERR.puts 'defg',5678


# /tmp/tee1.log
abcd
1234
defg
5678

# STDOUT
abcd
1234
defg
5678

1. Fork it ( https://github.com/[my-github-username]/tee_simple/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request