On 8 February 2011 18:06, Phil Crissman <[email protected]> wrote:
> If you want to modify an array of strings, for example, you could do:
> arr = ["John", "Doe"]
> => ["John","Doe"]
> arr.each{|s| s.replace("blah") }
> => ["blah","blah"]
> s.replace actually modifies the object, instead of creating a new one.
>
Also, depending on your use-case, consider the enumerable methods
".inject", ".collect", et al:
>> x = [1,2,3]
=> [1, 2, 3]
>> x.collect { |y| y*y }
=> [1, 4, 9]
>>
http://www.ruby-doc.org/core/classes/Enumerable.html
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