From: Simon Strandgaard <neoneye@...>
Date: 2005-08-02T18:08:24+09:00
Subject: Re: csv to hash

On 8/2/05, ou_ryperd <walter.kruse@eject.co.za> wrote:
> I have a csv file with two fields per line. What would the most
> effective way be to read it into a hash variable ? e.g.:
> 10000,A
> 10001,B
> 10002,C
> 
> I have searched ruby-talk and comp.lang.ruby and did not find a
> suitable example.

irb(main):008:0> txt = "10000,A\n10001,B\n10002,C"
=> "10000,A\n10001,B\n10002,C"
irb(main):009:0> ary = txt.scan(/^([^,\n]+),([^,\n]+)/)
=> [["10000", "A"], ["10001", "B"], ["10002", "C"]]
irb(main):010:0> h = {}
=> {}
irb(main):011:0> ary.each {|k,v| h[k] = v }
=> [["10000", "A"], ["10001", "B"], ["10002", "C"]]
irb(main):012:0> h
=> {"10001"=>"B", "10002"=>"C", "10000"=>"A"}
irb(main):013:0>

--
Simon Strandgaard