From: John Maclean <info@...>
Date: 2006-01-28T06:57:20+09:00
Subject: Re: Files and variables (noob alert)

Thanks!
On Sat, 28 Jan 2006 06:44:42 +0900
Wilson Bilkovich <wilsonb@gmail.com> wrote:

> On 1/27/06, John Maclean <info@jayeola.org> wrote:
> > Chaps,
> >
> > Say you've defined a variable:-
> >
> > a = "l2.txt" # where l2.txt is a file that you know exists
> > irb(main):009:0> File.exist?("l2.txt")
> > => true
> >
> > #How can I use the variable a within the File.exist(parameter)?
> > irb(main):012:0> a
> > => "l2.xt"
> >
> > irb(main):013:0> File.exist?(a)
> > => false
> >
> > irb(main):015:0> File.exist?("#@a")
> > => false
> >
> 
> That should just work:
> 
> irb(main):010:0> File.exist? 'helloworld.rb'
> => true
> irb(main):011:0> a = 'helloworld.rb'
> => "helloworld.rb"
> irb(main):012:0> File.exist? a
> => true
> irb(main):013:0> File.exist? 'nothere'
> => false
> 
> 
> 


-- 
John Maclean
MSc (DIC)
07739 171 531