From: Warren Brian Noronha <warren@...>
Date: 2003-04-03T14:53:46+09:00
Subject: Re: eval'ing a config file

dear ian,
 there is a very good project on raa called xml-config i suggest you check that out.

regards
warren brian noronha
warren@freedomink.org

On Wed, 2 Apr 2003 02:15:15 +0900
Ian Macdonald <ian@caliban.org> wrote:

> Hi,
> 
> I have a number of LDAP-related programs that I want to share a common
> config file in which certain variables are stored, such as server, port,
> password, etc. in the following form.
> 
> LDAP_HOST = foo.bar.com
> LDAP_PORT = 389
> LDAP_PASS = foobar
> 
> I want the parser to ignore blank lines and those that start with a '#'.
> 
> The code that I've come up with is this:
> 
> File.open("/etc/ldaprc") do |f|
>   f.each do |line|
>     next if line =~ /^(#|$)/ 
>     var, val = /^(.+?)\s*=\s*(.+)$/.match(line)[1,2]
>     eval "#{var} = '#{val}'"
>   end
> end
> 
> It works, but looking at it, it looks too much like code I might have
> written for Perl some years ago. Is there a more Rubyesque way to do
> this? In particular, is there a cleaner way than eval?
> 
> Ian
> -- 
> Ian Macdonald               | Parts that positively cannot be assembled
> System Administrator        | in improper order will be. 
> ian@caliban.org             | 
> http://www.caliban.org      | 
>                             | 
> 
>