From: "cardboard42@..." <cardboard42@...>
Date: 2007-06-23T13:20:03+09:00
Subject: Re: xml newbie

On Jun 23, 12:16 am, "cardboar...@gmail.com" <cardboar...@gmail.com>
wrote:
> On Jun 22, 7:27 pm, "Colin Summers" <blade...@gmail.com> wrote:
>
>
>
> > Okay, so I am scraping the FAA site and keeping track of some airplanes.
>
> > A lot of the time I get a tail number and I have it already, so I am
> > going to store the important information in a file that is
> > {tailnumber}.xml
>
> > That way I can add some of my own information (email address of owner,
> > airport last sighted).
>
> > I've never written any xml. But apparently there are gems I could add
> > to my Ruby installation which would let me write it.
>
> > Suggestions for where to start?
>
> > I assume I'll wind up with a file that has
> > <model>DA20</model>
> > <serial>408.21</serial>
>
> > and I can say things like
> >   serial = xml('serial')
> > and
> >   xml(serial) = '408.21'
> > right?
>
> > I can picture writing these things, but I bet someone has already done the work.
>
> > Thanks,
> > --Colin
>
> Why bother with xml at all? For something this small YAML would work
> just as well and requires less work too.
>
> require 'yaml'
> planes = [ {:tailnumber => 'N1234Z', :model => 'DA20', :serial =>
> '408.21'},
>            {:tailnumber => 'N1234AZ', :model => 'magic happy
> plane', :serial => '42'} ]
> #write planes
> File.open("planes.yaml", "w") { |f| f.puts tree.to_yaml }
>
> #read planes
> planes = YAML.load(File.open("planes.yaml"))
> puts planes.first[:serial]
> #408.21

Errr tree.to_yaml should of course be planes.to_yaml. It's late :)