That works on Windows and is very useful in certain situations. Why isn't
it documented anywhere? What are the drawbacks/side effects?
I was writing a script last week that needed to launch 2 Windows executable
then exit. I couldn't use system() or exec() for various reasons.
I tried using fork() but got unpredictable results. Unless you know another
way to do it.
I resorted to using the 'start.exe' that comes with 2000 to achieve the same
effect as system(1,'command line'). It works but I don't like relying on
outside means if it is possible in Perl.
Dax
----- Original Message -----
From: "Jan Dubois" <[EMAIL PROTECTED]>
To: "Dax T. Games" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: Monday, February 17, 2003 11:44 PM
Subject: Re: re-executing a program
> On Mon, 17 Feb 2003 22:04:43 -0500, "Dax T. Games" <[EMAIL PROTECTED]>
> wrote:
>
> >Simple.
> >
> >Create a new script with the following contents:
> >
> >exec("\"c:\\program files\\internet explorer\\iexplore.exe\"");
> >
> >Compile with -gui.
> >
> >exec pops up a command window when launched that stays open till IE is
> >closed.
>
> Ah, I see. It is only a problem for GUI programs. Note that wperl has
> the same problem as a perlappified --gui application, so I consider the
> behavior of PerlApp to be correct.
>
> If you don't tell anyone, I can show you a gross hack to make it work:
>
> system(1, 'c:\program files\internet explorer\iexplore.exe');
> exit;
>
> The 1 must be a number, not a string! It will tell system() to invoke the
> command asynchronously and not to wait. It still inherits file handles,
> which may or may not be what you want.
>
> I'm too lazy right now to check if this would work on Unix too, but I
> doubt it. This hack was added to Perl ages ago for OS/2 use, and the
> Windows port supports it too.
>
> Cheers,
> -Jan
>
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