From: Li Chen <chen_li3@...>
Date: 2006-10-09T08:10:42+09:00
Subject: Re: How to use a class

David Vallner wrote:
> Li Chen wrote:
>> Now I have other questions: 1) After I write a class with some methods I 
>> want to save the file called test. Which extension is associated with 
>> this file(test.rb or else)? How do I create a new object from the file 
>> called test from another script?
>> 
> 
> You save the file as test.rb, and then in the other file, use:
> 	require 'test'
> to be able to use classes in it.
> 
>> 2)Which method is used globally for the following substitution ?
>> s1="AATTCCGG"     # original string
>> s2="TTAAGGCC"     # expected string, which means A->T, T->A, C->G, G->C
>> 
> 
> irb(main):001:0> "AATTCCGG".tr("ATCG", "TAGC")
> => "TTAAGGCC"
> 
> David Vallner

Thanks David,

Li

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