vanish

vanish removes the useless white space in the text file.

% gem install vanish

Display the contents to apply vanish command on standard output.

% vanish

It corrects automatically by vanish command.

% vanish -a

or

% vanish --auto-correct

As a result, remove blank lines at the top and bottom of the file and a white space at the end of line.

-
-
  def say
-   puts 'hello'  
+   puts 'hello'
  end
-
-

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/koic/vanish.

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