From: Walton Hoops <walton@...>
Date: 2009-09-23T06:50:36+09:00
Subject: Re: redirect STDOUT to function?

Why not just override the puts/gets function to your liking?

irb(main):001:0> def puts(str)
irb(main):002:1> :foo
irb(main):003:1> end
=> nil
irb(main):004:0> puts "Hello World"
=> :foo



> -----Original Message-----
> From: Jonathan Castello [mailto:solugon@hotmail.com]
> Sent: Monday, September 21, 2009 8:21 PM
> To: ruby-talk ML
> Subject: Re: redirect STDOUT to function?
> 
> 
> Hmm, what do you mean by "backed by the function you want"? My whole
> problem is that I don't know what function(s) to redefine in order for
> the object to work reliably. For example, do all of the methods rely on
> just one to access the data directly, or are there multiple such
> methods I'd need to account for?
> > Date: Tue, 22 Sep 2009 11:08:42 +0900
> > From: kbloom@gmail.com
> > Subject: Re: redirect STDOUT to function?
> > To: ruby-talk@ruby-lang.org
> >
> > On Tue, 22 Sep 2009 10:07:16 +0900, Jonathan Castello wrote:
> >
> > > Hello,
> > > I'm using Ruby as a scripting language for a program that supports
> the
> > > WSH scripting interface, and I have a small problem: 'puts' and
> other
> > > output functions don't work (because STDOUT is invalid), as with
> 'gets'
> > > (but with STDIN). I'd like to redirect all accesses to STDOUT and
> STDIN
> > > to my own functions, which would handle the IO through the main
> > > application's scripting interface. I know that $stdout and others
> can be
> > > reassigned to other IO objects, but I haven't yet found a way to
> > > reliably redirect through a function instead. Of course, this is
> > > probably because I'm relatively new to Ruby. Does anyone know how I
> > > could do something like this?~Jonathan Castello
> >
> > Create a brand new IO object that's backed by the function you want.
> > (Maybe a thread and a StringIO would do the trick.)
> >
> > --Ken
> >
> > --
> > Chanoch (Ken) Bloom. PhD candidate. Linguistic Cognition Laboratory.
> > Department of Computer Science. Illinois Institute of Technology.
> > http://www.iit.edu/~kbloom1/
> >
> >
> 
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