From: yermej <yermej@...>
Date: 2008-05-02T01:10:08+09:00
Subject: Re: splitting with a regex & keeping a ref?

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