From: Michael Guterl <mguterl@...>
Date: 2006-11-05T02:19:10+09:00
Subject: Re: How could I do this search using .scan - I am a newbie

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On 11/4/06, Kevin Stolt <sba5414@yahoo.com> wrote:
>
> Thx for ur help....but this is just searching for 'rat' isn't it?
> thats not going to work>
>
> what I am looking is to find anything in the second column. I am not
> sure how to explain otherwise.....


IO.foreach("foo.txt") do |line|
  puts line.split[1]
end

This is assuming your file is called foo.txt

Li Chen wrote:
> > Kevin Stolt wrote:
> >> Hi,
> >>
> >> I am new to ruby and I have been search and pulling my hair to do this
> >> using .scan?
> >>
> >> I have file which contains.....(this is an example)
> >>
> >> bat rat cat mat pat
> >> mat sat put tomorrow today
> >>
> >>
> >> So how could I search so I could get the values in the second column?
> >>
> >> I want to find "rat" and "sat" for example. I searched many time and
> >> read many things but I can't figure out. I hope someone would be kind
> >> enough to help me or show me the correct direction.
> >>
> >> any help is appreciated.
> >>
> >> thanks in advance
> >> kev
> >
> > I don't know what you want but the following might show you some clues:
> >
> > C:\>irb
> > irb(main):001:0> line='bat rat cat mat pat'
> > => "bat rat cat mat pat"
> > irb(main):002:0> re=Regexp.new('rat') #create a regular expression
> > abject
> > => /rat/
> > irb(main):004:0> puts re.match(line)  # match the regexp against the
> > string
> > rat
> > => nil
> >
> >
> > Li
>
>
> --
> Posted via http://www.ruby-forum.com/.
>
>
HTH,
Michael Guterl

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