From: Josh Cheek <josh.cheek@...>
Date: 2010-11-09T02:36:50+09:00
Subject: Re: Comparing/search struct array

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2010/11/8 Jes=FAs Gabriel y Gal=E1n <jgabrielygalan@gmail.com>

> On Mon, Nov 8, 2010 at 6:14 PM, Josh Cheek <josh.cheek@gmail.com> wrote:
> > 2010/11/8 Szabolcs T=C3=B3th <tsz@purzelbaum.hu>
> > f =3D File.open("report.output", 'r').each {|line|
> >>  if line =3D~ /MST Revenue/
> >>
> >>
> > Tricky to find this one in the docs, its actually under IO rather than
> File
> > http://ruby-doc.org/core/classes/IO.html#M002239 "If the optional code
> block
> > is given, it will be passed *io* as an argument, and the
> > IO<http://ruby-doc.org/core/classes/IO.html>object will automatically
> > be closed when the block terminates." So you can
> > let File close the file for you (this is considered a best practice,
> since
> > it does certain things to ensure this will happen, even if an error is
> > raised)
> >
> > File.open 'report.output' do |file|
> >  file.each do |line|
> >    ...
> >  end
> > end
>
> If you are not doing anything else with the file apart from reading
> the lines you could also do:
>
> File.foreach("report.output") do |line|
>  ...
> end
>
> Jesus.
>
>
Thanks, I was looking for that, but couldn't remember what it was called I
found each_line in the docs, and thought that's what I had remembered.

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