From: Michael Linfield <globyy3000@...>
Date: 2007-10-31T00:29:58+09:00
Subject: Re: Array and ASCII Help needed...

Hiato Xaero wrote:
> Hello there,
> 
> I have just recently started Ruby (because it is such a beautiful 
> language)
> and was just about two things (NOTE: I have a very strong Delphi 
> background
> so the code may not be the Ruby way of ding things)
> 
> 1st : How one would extract the ASCII value from an Object variable, for
> example
> @l = @txt[k,1]
> @n = ?@l
> where
> @n = 0
> The problem with that is that I end up merely extracting the ascii value 
> for
> '@' and get errors for trying to something it with unknown 'l'

anything after the '?' returns an ascii value, ie  ?1 returns the ascii 
for 1


> 
> 2nd : How does one tell Ruby to give a variable (integer) a particular
> number from an array, for example
> @n = @@da[p,@n]
> where
> @@da = [[]]
> is the equivilent of the Delphi way (which works with puts in Ruby) but 
> it
> automatically makes @n an array instead of just that single value...

brackets in ruby specific an array. if you wanted to say pull a single 
element out of an array it would be something as follows:

@n = [1,2,3,4,5]

@n[2] # => 3  #array elements begin from 0 in ruby, so array element 2 
would be 3
I dont know if this is what you were refering to, if not, elaborate.

> 
> Please comment/suggest/criticise where necissary
> 
> Thanks anywho
> Hiato

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