From: Robert Klemme <shortcutter@...>
Date: 2007-11-24T02:37:08+09:00
Subject: Re: Checking File for a line

2007/11/23, Dejan Dimic <dejan.dimic@gmail.com>:
> On Nov 23, 1:08 pm, Robert Klemme <shortcut...@googlemail.com> wrote:
> > 2007/11/23, Lee Jarvis <jarv...@gmail.com>:
> >
> > > Peter Loftus wrote:
> > > > Im pretty sure this will work but is there any cleaner way to do it?
> >
> > > File.readlines('file.txt.).each do |line|
> > >     puts 'got it!' if line =~ /regexp/
> > > end
> >
> > This is more efficient - no need to load the whole file into mem to
> > find a single line:
> >
> > File.foreach "file.txt" do |line|
> >   if /rx/ =~ line
> >     puts "found it"
> >     break
> >   end
> > end
> >
> > Cheers
> >
> > robert
> >
> > --
> > use.inject do |as, often| as.you_can - without end
>
> Check out
>
> ri IO:foreach
> ri IO#each
>
> and use what more suits your needs.

I am not sure I understand this posting of yours.  Are you talking to
the OP or to me?  If you are talking to me, foreach is what I used in
the example above.

robert

-- 
use.inject do |as, often| as.you_can - without end