Issue #5010 has been updated by trans (Thomas Sawyer).


Not so sure RDoc should be a standard library either. But in any case, "cannot" is a rather strong term. It would take a little work, but they could be adapted. Lord knows RubyGems' command code is almost a framework in itself anyway.



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Feature #5010: Add Slop(-like) in stdlib and deprecate current OptionParser API
https://bugs.ruby-lang.org/issues/5010#change-33361

Author: rosenfeld (Rodrigo Rosenfeld Rosas)
Status: Assigned
Priority: Low
Assignee: matz (Yukihiro Matsumoto)
Category: 
Target version: next minor


I always found the OptionParser API not as well designed as it could be.

I've just found this gem:

http://lee.jarvis.co/slop/

Much better API and I think we should integrate it to Ruby 2.0.

Take a look at the minimal example shown in OptionParser :

<pre>
  require 'optparse'

  options = {}
  OptionParser.new do |opts|
    opts.banner = "Usage: example.rb [options]"

    opts.on("-v", "--[no-]verbose", "Run verbosely") do |v|
      options[:verbose] = v
    end
  end.parse!

  p options
  p ARGV
</pre>

This is the equivalent in Slop:

<pre>
require 'slop'

opts = Slop.parse do
  banner "Usage: example.rb [options]"
  on :v, :verbose, "Run verbosely", :default => true
end

p opts.to_hash
</pre>


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