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From: Brian Inglis <Brian DOT Inglis AT SystematicSW DOT Invalid>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: tar.exe problem
Organization: Systematic Software
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Date: Fri, 22 Oct 2004 09:00:45 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On Fri, 22 Oct 2004 02:48:07 GMT in comp.os.msdos.djgpp,
"one2001boy AT yahoo DOT com" <one2001boy AT yahoo DOT com> wrote:


>I just calculate the total number of characters including space
>for
>"tar cvf ctree.tar \cc\toolkit\sbin\qanitest.exe 
>\cc\toolkit\demos\mechanism\chapters\startup\animatestCR.cc 
>\cc\toolkit\include\fourbar.h"
>
>it is only 138 characters. I think MSDOS supports at least 1024 
>characteres for command line.

MS DOS programs are limited to 127 bytes by the available length in
the Program Segment Prefix area; the max supported by the various MS
shell versions are: 

MS DOS command.com	 127
Windows NT cmd.exe	 256
Windows 2K cmd.exe	2046
Windows XP cmd.exe	8190

Some Unix shells keep the last command name or line in env var $_: do
any of the Windows shells do anything similar? 

-- 
Thanks. Take care, Brian Inglis 	Calgary, Alberta, Canada

Brian DOT Inglis AT CSi DOT com 	(Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca)
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