David Vallner
10/8/2006 10:57:00 PM
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