From: "Marvin Gülker" <sutniuq@...>
Date: 2009-11-04T03:18:21+09:00
Subject: Re: ruby script with flag

Jillian Kozyra wrote:
> Hi,
> 
> I am trying to write a ruby script which accepts a flag. That is, I
> would like to execute the script by doing:
> ./assignment2.rb --verbose OR
> ./assignment2.rb
> 
> How would I got about making the script accept a flag?
> 
> Thanks,
> Jillian

Every command-line argument that you pass into a Ruby script is 
available via the ARGV aray. Therefore, if you call a script with
  ./assignment2.rb --verbose
then ARGV[0] is "--verbose". Because command-line-option-handling (what 
a word!) can be a bit cumbersome, you could use a library like 
OptionParser (in the stdlib as "optparse").

Marvin
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