why doesn't my system('cls') work?

iKnowNothing has asked for the wisdom of the Perl Monks concerning the following question:

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Re: why doesn't my system('cls') work? by diotalevi (Canon) on Oct 06, 2004 at 16:53 UTC
If your cmd.exe wasn't somehow missing, you should have written that as `$Output = qx( cls );`. system returns something entirely different than you were expecting.	[reply] [d/l]
Re: why doesn't my system('cls') work? by bibo (Pilgrim) on Oct 06, 2004 at 17:09 UTC
Well, right off the bat, there is no program named cls.com or cls.exe out there. It's a command built into the shell, cmd.exe. --bibo UPDATE My point is this: system and spawn and fork and their tickish brethern will launch a new process. Those new command windows could clean their own screens with cls, but you cannot clear the screen of the currently running command window by starting a new process. is this helping?	[reply]
Re^2: why doesn't my system('cls') work? by Anonymous Monk on Oct 06, 2004 at 18:48 UTC
Just for the record, `system 'cls';` does clear the screen on a sane Win(NT\|2K\|XP) installation.	[reply] [d/l]
Re^2: why doesn't my system('cls') work? by LanceDeeply (Chaplain) on Oct 06, 2004 at 17:17 UTC
might want to check that. the following outupt is from win xp `C:\WINDOWS>dir cmd.exe /s Volume in drive C has no label. Volume Serial Number is 3833-835E Directory of C:\WINDOWS\system32 08/23/2001 04:00 AM 375,808 cmd.exe 1 File(s) 375,808 bytes` [download] you may wany to double check your `%PATH%` and make sure the directory that contains your `cmd.exe` is in it. -HTH	[reply] [d/l] [select]
Re^3: why doesn't my system('cls') work? by insensate (Hermit) on Oct 06, 2004 at 17:27 UTC
The poster stipulated there was no cls command... not no cmd command.	[reply]
Re^4: why doesn't my system('cls') work? by LanceDeeply (Chaplain) on Oct 06, 2004 at 20:49 UTC
Re^4: why doesn't my system('cls') work? by bibo (Pilgrim) on Oct 06, 2004 at 17:35 UTC
Re: why doesn't my system('cls') work? by iKnowNothing (Scribe) on Oct 06, 2004 at 18:59 UTC
Well I got it working now. It was an environment variable problem. Apparently I didn't have the path to cmd.exe in the path variable. Thanks for the input!	[reply]
Re^2: why doesn't my system('cls') work? by Anonymous Monk on Jul 23, 2011 at 04:42 UTC
how to have the path to let it work the system ('cls')?? i have the same problem. thx	[reply]
Re^3: why doesn't my system('cls') work? by Anonymous Monk on Jul 23, 2011 at 04:53 UTC
Hi, new questions go in Seekers Of Perl Wisdom because iKnowNothing, whom you asked a question, hasn't been here in 1 year. The node to which you replied is 6 years old. Welcome, see The Perl Monks Guide to the Monastery, see How do I post a question effectively?, Where should I post X? site:perlmonks.org clear screen cls How do you clear the screen? clrscr(); in perl? The difference between [system] and `backticks` and [qx//] (on win32)	[reply]
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