From: voipfc@...
Date: 2006-10-01T17:50:17+09:00
Subject: Re: Ruby's equivalent of PHP explode


Ryan Eibling wrote:
> Paul Lutus wrote:
> >
> > data = File.read("filename.ini")
> >
> > my_hash = {}
> >

I am trying to understand what {} means in ruby. I understand that it
means an empty block, but what does it mean in this context?

Does it mean nil? Does it simply my_hash as an associative array?


> > data.each do |line|
> >   key,value = line.split("=")
> >   my_hash[key] = value
> > end
>
> Here's a modified version that supports sections:
>
> data = File.read("filename.ini")
>
> ini_hash = {}
> ini_hash[""] = section_hash = {}   # default unnamed section
>
> data.each do |line|
>    if /^\[.+\]$/ =~ line    # section headers are surrounded by brackets
>      ini_hash[line.chomp.gsub(/[\[\]]/, '')] = section_hash = {}
>    else
>      key,value = line.chomp.split("=")
>      section_hash[key] = value
>    end
> end
>
> # example of walking through the whole thing
> ini_hash.each do |k, v|
>    puts "-#{k}-"
>    v.each {|sk, sv| puts "  #{sk}=#{sv}"}
> end
>
> # example of accessing a value by section and key
> v = ini_hash['section']['key']