fork download
copy 
  1. require 'optparse'
  2.  
  3. opt_parser = OptionParser.new do |opts|
  4. 	opts.on('-a', '--abc [one [two]]') do |one, two|
  5. 		p [one, one.nil?], [two, two.nil?]
  6. 	end
  7. end
  8.  
  9. opt_parser.parse!(['--abc', 'first', 'second'])
  10. opt_parser.parse!(['--abc', 'first second'])
  11.  
Success #stdin #stdout 0.08s 10352KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
["first", false]
[nil, true]
["first second", false]
[nil, true]
https://ideone.com/oYj5Np
language:
Ruby (ruby 2.5.5)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!