TimestampedOut

A class for prepending timestamps to Ruby standard out and error. Published as a Ruby Gem.

Add this line to your application's Gemfile:

gem 'timestamped_out'

And then execute:

$ bundle

Or install it yourself as:

$ gem install timestamped_out

Prints STDOUT as INFO:

    TimestampedOut.new.call do
      print "\nTest"
    end
    2016-06-23 17:08:10 +0200 95434 TID-out0sge0o INFO: Test

Prints STDERR (including backtrace) as ERROR:

    TimestampedOut.new.call do
      1 / 0
    end
    2016-06-23 17:20:42 +0200 95986 TID-ow6a19fy4 ERROR: divided by 0
    ...backtrace...

Works also with embedded shell commands:

    TimestampedOut.new.call do
      system 'echo "abc"'
      result = `echo "2"`
      p result.to_i * 3
    end
    2016-06-23 17:23:07 +0200 95986 TID-ow6a2el10 INFO: abc
    2016-06-23 17:23:07 +0200 95986 TID-ow6a2el10 INFO: 6

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/maicher/timestamped_out. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

The gem is available as open source under the terms of the MIT License.