From: Joel VanderWerf <vjoel@...>
Date: 2001-06-18T05:13:04+09:00
Subject: [ruby-talk:16576] Re: Configuration file parsing

Anders Johannsen wrote:

> In article <fH3X6.15287$Ne5.1044673@e420r-sjo3.usenetserver.com>, "Dave
> Thomas" <Dave@pragmaticprogrammer.com> wrote:
> 
>>> Is there a preferred way of parsing configuration files in Ruby? I
>>> suppose yacc/lex is ruled out?
>> 
>> A cheap way that works in some circumstances is to write the
>> configuration in Ruby, and then just require the file in:
>>
>>   logfile {
>>     path            "/var/log/mylog"
>>     days_to_expire  10
>>     level           :error
>>   }
> 
> It may prove to be an effective solution, however, I am having trouble
> figuring out how to extract the option / value pairs in the above example.
> 
> My current solution would be to define attribute writers for path,
> days_to_expire and level, thus clouding Object's namespace.
> 
> Anders Johannsen
> 

Here's a hack I've been using to do something of the sort:

http://path.berkeley.edu/~vjoel/ruby/option-block.rb