From: Kyle Schmitt <kyleaschmitt@...>
Date: 2008-05-02T01:24:31+09:00
Subject: Re: splitting with a regex & keeping a ref?

yermej,
           scan you say.  Heh, I never even thought of that one.
Makes the whole thing rather simple!

Thanks.

On Thu, May 1, 2008 at 11:10 AM, yermej <yermej@gmail.com> wrote:
>
> On May 1, 9:46 am, Kyle Schmitt <kyleaschm...@gmail.com> wrote:
>  > I'm writing some scripts to help handle some ornery samba servers we
>  > have: part of that is unfortunately reading the config scripts that
>  > have built up over the years.
>  >
>  > I was hoping to use the standard string method as a quick &
>  > not-so-dirty way of parsing the files, given that samba uses a very
>  > simple format.
>  >
>  > #the sample_data variable is defined below
>  > irb(main):sample_data.split(/\[[a-z0-9]+\]/i)
>  > => ["", "\ncomment = shared directory for the shop\npath =
>  > /dept/shop\nvalid u ....(truncated)
>  > Gives good results, but omits what's between the brackets.  I expected
>  > that part.
>  >
>  > irb(main):sample_data.split(/(\[[a-z0-9]+\])/i)
>  > => ["", "[shop]", "\ncomment = shared directory for the shop\npath =
>  > /dept/sho ....(truncated)
>  > Neat, gives me the data between the brackets in an element before the
>  > data itself.
>  >
>  > I know quite well I can zip through that array again, but I was
>  > wondering, hoping, that there would be a way of accessing that back
>  > reference in a block as part of the split.
>  >
>  > Is there any way to do that that I'm just missing?
>  >
>  > Thanks,
>  >            Kyle
>  >
>  > sample_data=%{[shop]
>  > comment = shared directory for the shop
>  > path = /dept/shop
>  > valid users = @shop @admin
>  > public = no
>  > writable = yes
>  > force group = shop
>  > create mask = 0770
>  > [bob]
>  > comment = User files for bob
>  > path = /users/bob
>  > valid users = bob @admin
>  > public = no
>  > writable = yes
>  > create mask = 0770}
>
>  I think you might want scan instead of split.
>
>  sample_data.scan( /(\[[a-z0-9]+\])([^\[]*)/i) do |share, opts|
>   # create your hash or whatever here
>  end
>
>