From: ara.t.howard@...
Date: 2006-03-08T00:04:56+09:00
Subject: Re: getoptlong question

On Tue, 7 Mar 2006, Matt Rose wrote:

>
> This has been bugging me for weeks now, intermittently.
>
> By all accounts I've read, this getoptlong code should work
>
> require 'getoptlong'
>
> opts = GetoptLong.new(
>                        ["--devel","-d",GetoptLong::NO_ARGUMENT],
>                        ["--getpass","-g",GetoptLong::NO_ARGUMENT],
>                        ["--debug","-D",GetoptLong::NO_ARGUMENT],
>                        ["--verbose","-V",GetoptLong::NO_ARGUMENT]
>                  )
>
> server = 'http://192.168.10.16/'
> verbose = false
> opts.each { |o,a| p o }
> opts.each { |o,a|
>        case o
>                when '--devel'
> 			server = 'http://192.168.20.56/'
>                when '--getpass'
>                        puts "this option does nothing"
>                when '--debug': $DEBUG = true
>                when '--verbose': verbose = true
>        end
> }
> p server
> p $DEBUG
> p verbose
>
> This is the output I expect when I run it:
>
> "--devel"
> "--debug"
> "--verbose"
> "http://192.168.20.56/"
> true
> true
>
> This is the output I get:
>
> "--devel"
> "--debug"
> "--verbose"
> "http://192.168.10.16/"
> false
> false
>
> What am I missing?

harp:~ > diff -ubB a.rb.org a.rb
--- a.rb.org    2006-03-07 07:56:07.000000000 -0700
+++ a.rb        2006-03-07 07:58:12.000000000 -0700
@@ -9,7 +9,7 @@

  server = 'http://192.168.10.16/'
  verbose = false
-opts.each { |o,a| p o }
+#opts.each { |o,a| p o }
  opts.each { |o,a|
          case o
                  when '--devel'


harp:~ > ruby -- a.rb --debug --devel --verbose
"http://192.168.20.56/"
true
true


each is destructive - as most argv parsers are.

hth.

-a

-- 
judge your success by what you had to give up in order to get it.
- h.h. the 14th dali lama
cat a.rb