From: "Gondolin (Damien Robert)" Date: 2012-12-03T02:23:29+09:00 Subject: [ruby-core:50485] [ruby-trunk - Bug #7498][Open] Optparse does not complete argument when used with :REQUIRED Issue #7498 has been reported by Gondolin (Damien Robert). ---------------------------------------- Bug #7498: Optparse does not complete argument when used with :REQUIRED https://bugs.ruby-lang.org/issues/7498 Author: Gondolin (Damien Robert) Status: Open Priority: Normal Assignee: Category: lib Target version: ruby -v: ruby 1.9.3p327 (2012-11-10 revision 37606) [x86_64-linux] #!/usr/bin/env ruby require 'optparse' OptionParser.new do |opts| opts.on(:REQUIRED, "--bug", ["foo", "bar"]) do |v| puts v end opts.on(:REQUIRED, "--nobug ARG", ["foo", "bar"]) do |v| puts v end end.parse! ./bug.rb --bug b b ./bug.rb --nobug b bar As you can see, using "--bug" with :REQUIRED but without specifying the obligatory argument name, the argument to "--bug" does not get completed to the value in the array. -- http://bugs.ruby-lang.org/