From: Glen Holcomb <damnbigman@...>
Date: 2009-09-22T01:27:54+09:00
Subject: Re: Hash or array?

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On Mon, Sep 21, 2009 at 10:05 AM, Ne Scripter <
stuart.clarke@northumbria.ac.uk> wrote:

> Hello,
>
> I have a question, I want to store some data in two columns, for example
>
> 0001, stuff1 stuff2
> 0002, morestuff
> 0003, extrastuff
> 0004, more evenmore
>
> As you can see column 1 is an ID and column 2 is one or more strings.
>
> I want to do a search across another data set to say if column 1 (ID
> number) matches in both sets and the contents of column 2 to data set B.
>
> I initially thought to use a hash, but it scrambles the order of the
> data so was unsure of its efficiency and use.
>
> Any suggestions?
>
> Many thanks
> --
> Posted via http://www.ruby-forum.com/.
>
>
I'm not sure I completely understand what you are trying to do but with
hashes you could do the following:

search_value =3D 0003
if hash[search_value] =3D=3D second_hash[search_value]
  send ahead
end

if the key doesn't exist the value will be nil so you might want a special
case for that.

--=20
"Hey brother Christian with your high and mighty errand, Your actions speak
so loud, I can=92t hear a word you=92re saying."

-Greg Graffin (Bad Religion)

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