From: Ruggershawn <shawn.kercher@...>
Date: 2008-05-23T06:25:03+09:00
Subject: Re: Needing to pipe commands to automate program

Hey Thanks for the reply!  It worked great!

Now I am wondering how to output the standard out to the screen? Right
now I run my ruby program and cant see anything being logged.


On May 19, 1:27 am, 7stud -- <bbxx789_0...@yahoo.com> wrote:
> 7stud -- wrote:
> > This works too:
>
> > #original program: r1test.rb
>
> > puts "Enter 32 or 64 bit:"
> > answer1 = gets.strip.chomp
>
> > puts "Enter the path where you wish to install:"
> > answer2 = gets.strip.chomp
>
> > File.open('output.txt', 'w') do |f|
> >   f.puts("Your answers were:")
> >   f.puts answer1
> >   f.puts answer2
> > end
>
> > Just be aware that popen() hijacks stdin and stdout in the original
> > program--directing the original program's input and output to the IO
> > object created in the driver program.  If your original program writes
> > some results to a file, then that won't be an issue.
>
> Whoops.  Here's the driver program:
>
> #driver program:
>
> pipe= IO.popen("ruby r1test.rb", "w+")
> f = File.open("data.txt")
>
> pipe.puts(f.gets.chomp)pipe.puts(f.gets.chomp)
>
> puts
> puts "Hit enter to end program"
> gets
>
> --
> Posted viahttp://www.ruby-forum.com/.