From: Dash Riprock <dazh_ribrogg@...>
Date: 2001-12-30T14:18:01+09:00
Subject: [ruby-talk:29704] Re: comma-delimited to an array

nobu.nokada@softhome.net wrote:

> At Sun, 30 Dec 2001 08:37:31 +0900,
> Dash Riprock <dazh_ribrogg@yahoo.com> wrote:
> > I've got a file in which each line has comma-delimited items. A
> > sample might look like this:
> > 
> > num,date,time,orig,type,action,rule,iface
> > 1,28Dec2001,23:59:51,121.210.49.22,log,accept,16,eth-s1p2c0
> > 2,28Dec2001,23:59:44,121.210.48.11,log,drop,20,eth-s1p1c0
> > 3,28Dec2001,23:59:57,121.210.49.22,log,accept,16,eth-s1p1c0
> > 
> > Because the order of the items may *vary* from day to day, I want to
> > treat each line as an array.
> 
> Possibly, you may want to access each elements by names in the
> first line?
> 
>   data = []
>   open(file) do |f|
>     foo = Struct.new(nil, *f.gets.chomp.split(","))
>     f.each do |line|
>       bar = foo.new(*line.chomp.split(","))
>       data[bar.num.to_i] = bar
>     end
>   end
> 
>   p data[1].date   # => "28Dec2001"
>   p data[2].action # => "drop"
>   p data[3].iface  # => "eth-s1p1c0"

The "line.chomp.split" idiom, which several people were kind enough
to point out, was what I was looking for. But the above material by
Nobu Nokada goes beyond that to a kind of mind reading. 

Thanks a lot!