From: Corey Haines <coreyhaines@...>
Date: 2008-02-24T10:23:36+09:00
Subject: Re: Using a variable as a method name?

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Try Logger.send(arg)

On Sat, Feb 23, 2008 at 8:18 PM, Phy Prabab <phyprabab@yahoo.com> wrote:

> Hello,
>
> I need a bit of help understanding how to use a
> variable as a name for a method call.  Forgive me
> trying to explains this, I am new at all this.  In the
> code listed, I am tring to set the debugging level of
> the Logger class, however, the variable in question is
> not being sustituted prior to interpreting the method
> call.
>
> when "--debug"
>  if($DEBUG_LEVELS.include?(arg))
>    mylog.level = Logger::arg
>                  ^^^^^^^^^^^
>  else
>    puts "Debug level can be one of: DEBUG, INFO,
> WARN, or ERROR"
>    dis_help
>  end
>
> This causes Ruby to spit out that there is no method
> called arg which is correct.  So how do I get arg to
> be substituted to the value rather than the var name?
> I tried dereferencing and using the it within a string
> (okay, a dumb idea).  Any way, any help will be much
> appreciated!
>
> TIA!
> Phy
>
>
>
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