RE: [Dev-C++] 2 more questions

[Ioannis V. <no...@ho...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Luigi Santillo
> Sent: Friday, November 22, 2002 4:35 PM
> To: Dev-C++ Mailing List
> Subject: Re: [Dev-C++] 2 more questions
> 
> 
> On Thu, Nov 21, 2002 at 06:39:59PM +0000, Paul Ardeleanu wrote:
> > Why are you all so keen in returning a value at the end of main?
> > 
> > Paul
> 
> Besides what Ioannis has already said, another good reason to
> have a program return some value is to ... use the value! :)
> 
> For instance, I remember that the (now, or soon to be, obsolete) 
> command.com  shell allowed to write some script file like the 
> following
> 
> rv_test.bat
> -----------
> rem   use return value of "foo" to choose a label 
> foo
> 
> if errorlevel 2 goto label2
> if errorlevel 1 goto label1
> :else
>   echo program "foo" returned 0 (success)
>   goto end
> 
> 
> :label1
>   echo program "foo" returned 1
>   goto end
> 
> :label2
>   echo program "foo" returned a value greater or equal to 2
>   goto end
> 
> :end
> --------


Yep, errorlevels. I think Win & Linux have that too.



Ioannis Vranos
 
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