From: Michael Fellinger <m.fellinger@...>
Date: 2008-04-19T18:55:35+09:00
Subject: Re: What's the 'portable' way to do this?

On Sat, Apr 19, 2008 at 1:40 PM, Xie Hanjian <jan.h.xie@gmail.com> wrote:
> Hi,
>
>  I'm afraid the problem is the same: you can't interact with the program
>   after data has been read. any function like getch() will try to read input
>  from the file to which stdin was redirected instead of your console.

You can check if you are getting data from a pipe by asking
$stdin.tty? and act accordingly.
See http://p.ramaze.net/1144 for a short example.

Regarding platform compatibility, according to
http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/146259
you can $stdin.reopen("COM1:")

^ manveru

>
>  Thanks
>  Jan
>
>  * Daniel Finnie <dan@danfinnie.com> [2008-04-19 02:08:11 +0900]:
>
>
>
>  > Hi,
>  >
>  > I think ARGF might work for your needs:
>  >
>  > data = ARGF.read
>  >
>  > Give it a try,
>  > Dan
>  >
>  > On 4/17/08, Xie Hanjian <jan.h.xie@gmail.com> wrote:
>  > > Hi,
>  > >
>  > >  I want to know if there's a more 'portable' way to do this in ruby:
>  > >
>  > >  I hope my programe will accept data from redirected stdin or pipe, like
>  > >
>  > >  cat bar | foo.rb
>  > >  foo.rb < bar
>  > >
>  > >  And after read the data I want to interact with the foo.rb in console.
>  > >  The problem is stdin has been redirected so I have to:
>  > >
>  > >  STDIN.reopen('/dev/tty')
>  > >
>  > >  Hardcoding a string in the script seems not good. Any suggestions?
>  > >
>  > >  Thanks
>  > >  Jan
>  > >
>  > >
>  > >  --
>  > >  jan=callcc{|jan|jan};jan.call(jan)
>  > >
>  > >
>  >
>
>  --
>
>
> jan=callcc{|jan|jan};jan.call(jan)
>