From: Lloyd Linklater <lloyd@2live4.com>
Date: 2008-09-19T03:15:30+09:00
Subject: Re: Suggestion for string parsing

Me Me wrote:
> 
>> What is the *actual* problem?  If it is what you said ("I would like to 
>> know if there's a better way to parse a string and assing values to 
>> variables;") then RegEx is a fine solution.  If you reject a good 
>> solution and seek something else, then it can only be that you are 
>> actually seeking a solution to a different problem.  So, what are you 
>> *really* looking for?
> 
> I'm quite new to Ruby and I can understand that athere are better way to 
> do things, what I would like to avoid is to write something like this 
> (that works)
> 
> line =~ /(\w*)=([0-9A-Za-z -.:]*),([0-9A-Za-z -.:]*),([0-9A-Za-z 
> -.:]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*),([0-9]*)/
> 
> I wanted to this in one line but in a more mainable way, otherwise I 
> could always pars the string char by char.

AHA!  I understand, or I at least flatter myself that I do.  how about 
this:

require 'scanf'

s = "Client=MPEG-4,390000,700000,24000,9452349,234583475,2452345"
val = s.scanf("%6s=%s")
vals = val[1].split(",")
p vals

=> ["MPEG-4", "390000", "700000", "24000", "9452349", "234583475", 
"2452345"]
-- 
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