From: "Shareef J." <lists@...>
Date: 2013-03-04T20:05:04+09:00
Subject: Re: Is it possible to use OptionParser with short options such as -oo?

Actually, with minimal hacking I've managed to get it to do what I want. 
Here's the patch file for anyone interested.  I'm running 1.9.2.

$ cat optparse.patch
--- optparse.rb 2013-03-04 10:58:37.789740398 +0000
+++ optparse.rb.modified        2013-03-04 10:55:44.866359326 +0000
@@ -1154,6 +1154,15 @@
         end
         sdesc << "-#{q}"
         short << Regexp.new(q)
+      when /^-(.\S)(.+)?/
+        q, a = $1, $2
+        if a
+          o = notwice(NilClass, klass, 'type')
+          default_style = default_style.guess(arg = a)
+          default_pattern, conv = search(:atype, o) unless 
default_pattern
+        end
+        sdesc << "-#{q}"
+        short << q
       when /^-(.)(.+)?/
         q, a = $1, $2
         if a
@@ -1281,7 +1290,7 @@
           end

         # short option
-        when /\A-(.)((=).*|.+)?/m
+        when /\A-(.(?:.)?)((=).*|.+)?/m
           opt, has_arg, eq, val, rest = $1, $3, $3, $2, $2
           begin
             sw, = search(:short, opt)

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