From: Stuart Clarke <stuart.clarke1986@...>
Date: 2008-12-18T23:49:41+09:00
Subject: Re: Using ruby hash on array

Sorry for not being clear. I am actually parsing data from Windows event 
logs and as a result the data is held in structured fields. Earlier in 
my program I load the contents of a number of event logs into an array 
and then ready the data using structs for example to read the ID number 
- event.event_id more complicated for descriptions - 
event.description[/Name:\t(.+?)\r\n/, 1]}

So what I would like to do is read my event log array and check for 
specific event ID's (if event.event_id == 100).

If the if statement finds the ID 100 it reads name from 
event.description. Everything mention thus far is working correctly.

When this is complete I then want to do a count on how many times each 
name occurs e.g. bob = 2, sue = 12.
My thoughts were to load the event.description[/name:/] into a hash and 
then do a count on each name in the hash and print it out.

Does this make more sense??


Louis-Philippe wrote:
> I don't know if I got you right...
> If a is the identifier, then your data structure could be something 
> like:
> 
> hash = { 'data A' => ['data B', 'data C', 'data D', 'data E', 'data F'],
> 'data A' => ['data B', 'data C', 'data D', 'data E', 'data F'],
> 'data A' => ['data B', 'data C', 'data D', 'data E', 'data F'] }
> 
> where you could access a data A like hash['data A'] or with if
> hash.has_key?('data A')
> and data F with hash['data A'][4].
> 
> 2008/12/17 Stuart Clarke <stuart.clarke1986@gmail.com>

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