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From:	"Dave Korn" <dk AT artimi DOT com>
To:	<cygwin AT cygwin DOT com>
Subject:	RE: g77, Windows XP Professional, CALL System(Command, Status)
Date:	Fri, 19 Mar 2004 15:34:28 -0000
MIME-Version:	1.0
In-Reply-To:	<E1B4LmG-00016A-00@mrelayng.kundenserver.de>
Message-ID:	<NUTMEGKufVma0osA91E000001b7@NUTMEG.CAM.ARTIMI.COM>
X-OriginalArrivalTime:	19 Mar 2004 15:34:29.0562 (UTC) FILETIME=[AB3AB1A0:01C40DC7]

> -----Original Message-----
> From: cygwin-owner On Behalf Of Lars Steinke
> Sent: 19 March 2004 15:19

> if I use:
> 
>       call system('cls')
> 
> I get the following (new) message:
> 
> cls: not found
> 
> If I write the cls-command manually in the Win-XP-shell, it works.
> If my program tries to invoke the cls command in the 
> Win-XP-shell it does not work?

  That's presumably because cls is a builtin command to the XP shell, rather
than a separate executable; presumably the system command is trying and
failing to execute a program called "cls.exe".  Instead, try passing cls to
the shell like this:

>       call system('cmd.exe /c cls')

  You'll probably also need to do the same for other commands such as 'cd'
or 'dir' if you ever want to use them in system calls.

  BTW, I see you're using cygwin.  That trick is also very useful in bash
shell: I have things like

alias cls='cmd /c cls'
alias start='cmd /c start '

in my .bashrc

    cheers, 
      DaveK
-- 
Can't think of a witty .sigline today....


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