From: Wybo Dekker <wybo@...>
Date: 2005-12-31T21:17:49+09:00
Subject: Re: Beginners Question

On Sat, 31 Dec 2005, Daniel Schierbeck wrote:

> joe quimby wrote:
> Hello Folks,
> 
> I am trying to learn ruby, so i wrote some simple scripts.
> But the following script does not work as expected:
> 
> #!/usr/bin/ruby
> 
> while gets != nil
>  print $_
> end

you could also have said:
  #!/usr/bin/ruby
  print while gets

> if i call 'echo.rb' (without any parameters) from my cygwin shell, the
> scripts does what i expect it to do. It reads and returns the input.
> But if i call it with any parameters, like
> 
> echo.rb anything
> 
> i get a error message saying : '... `gets': No such file or directory -
> 12 (Errno::ENOENT)...'
> 
> Does anybody understand this ?

apparently you typed:

echo.rb 12

If there are arguments, ruby interprets those as the names of files to
be used (after concatenation) as standard input. But there was no file '12'

-- 
Wybo