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Showing content from https://github.com/ruby/logger below:

GitHub - ruby/logger: simple logging utility

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 info and error
• 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:

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 = error_log.error("fatal error")

After checking out the repo, run the following to install dependencies.

Then, run the tests as:

To install this gem onto your local machine, run

To release a new version, update the version number in lib/logger/version.rb, and then run

which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

$ ruby test/logger/test_logger.rb

--name option is available as:

$ ruby test/logger/test_logger.rb --name test_lshift

Then, git commit and push the generated HTMLs onto gh-pages branch.

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.

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