Logger is a simple but powerful logging utility to output messages in your Ruby program.
Logger has the following features:
- Print messages to different levels such as
- Auto-rolling of log files
- Setting the format of log messages
- Specifying a program name in conjunction with the message
Add this line to your application's Gemfile:
And then execute:
Or install it yourself as:
$ gem install logger
require 'logger' # Create a Logger that prints to STDOUT log = Logger.new(STDOUT) log.debug("Created Logger") log.info("Program finished") # Create a Logger that prints to STDERR error_log = Logger.new(STDERR) error_log = Logger.error("fatal error")
After checking out the repo, run
bin/setup to install dependencies. Then, run
rake test 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/ruby/logger.
The gem is available as open source under the terms of the BSD-2-Clause.