From: "David A. Black" <dblack@...>
Date: 2008-10-04T12:00:54+09:00
Subject: Re: Iterate through array and delete if match

Hi --

On Sat, 4 Oct 2008, jackster the jackle wrote:

>> Or Array#reject!
>>
>> deleting while iterating with each is undefined behavior. It's like
>> sawing off the tree branch you are sitting on.
>
>
> hehehe...I know what you mean!
>
> Tim's solution worked, I used:
>
> @acl_all_array.each do |range|
>     if range[/access-list/]
>       @acl_range.push(range)
>     end
>  end
> @acl_all_array.delete_if { |x| x[/access-list/] }
>
> Thanks for all the help guys...I am going to read up on Array#reject! to
> see how that might help me.

Check out Array#partition too. What you've got there looks like it
could be:

   @acl_all_array, @acl_range = @acl_all_array.partition do |range|
     range[/access-list/]
   end

or something like that.


David

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