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Re: Reading 2 array lists

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From:
mritorto
Date:
February 19, 2009 08:43
Subject:
Re: Reading 2 array lists
Message ID:
b2d7c5db-9142-471b-aca9-ceb7c4b60b3f@r41g2000prr.googlegroups.com

owen,

How do I use the List::Compare  module.

I read online about a array::compare module

is the same thing?

marc


On Feb 18, 8:33 pm, chas.ow...@gmail.com (Chas. Owens) wrote:
> On Wed, Feb 18, 2009 at 19:59, Gunnar Hjalmarsson <nore...@gunnar.cc> wrote:
> > Chas. Owens wrote:
> snip
> >> This is not the best way to go about solving this problem (use diff or a
> >> module like Text::Diff*),
>
> > If we are going to suggest a module, List::Compare would be more to the
> > point IMO.
>
> snip
>
> No, the lines should not make it out of the files into arrays in the
> first case.  Reading whole files into arrays is one of the reasons
> this code is bad.
>
> snip>> It is important to note that this algorithm only works if you care about
> >> unique lines. If you need to know that file1 has 5 lines of "foo" and file2
> >> has 4 lines of "foo", this code will not tell you that.
>
> > Since the files contain file names from directory listings, that cannot be
> > applicable to the problem at hand.
>
> snip
>
> Yes, but it is an important thing to note lest you try to use it for
> something else later.
>
> --
> Chas. Owens
> wonkden.net
> The most important skill a programmer can have is the ability to read.


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