Re: Velikost promenne PATH v MsDOS

From: Miroslav Lycka <mik@ISIBRNO.CZ>
Subject: Re: Velikost promenne PATH v MsDOS
Date: Wed, 22 May 1996 15:51:39 +0200

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* Obsah promenne PATH se da menit i behem prace. BC, ktere chce mit
* nastavenou cestu k sobe, spoustim takovouhle davkou:
*
* @echo off
* set oldpath=%path%
* path=n:\sw\j\borlandc\bin;%oldpath%
* bc
* path %oldpath%

Tady by to chtelo jeste dodat
set oldpath=
na uvolneni promenne oldpath z environmentu.

Zpocatku jsem pouzival take davky tohoto typu, ale brzo jsem zacal
narazet pri jejich spousteni z Norton Commanderu. Pricina je v tom,
ze NC si pro vykonani kazdeho prikazu spousti novou kopii command.com,
ve ktere je obvykle velikost evironmentu pro podobne kejkle nedostatecna.
Proto jsem zavedl jiny system, ktery tyhle problemy nema a zdrzeni
pri zapisu na disk je zanedbatelne:

@echo off
path > c:\oldpath.bat
path=n:\sw\j\borlandc\bin;%path%
bc
call c:\oldpath.bat
del c:\oldpath.bat

V pripade existence RAM disku je tento pro podobne odkladani idealni.


                                                     Miroslav Lycka

____________________________________________________________________________
|  Miroslav Ly'c~ka                          |   e-mail: lycka@isibrno.cz  |
|  Academy of Sciences of the Czech Republic |             mik@isibrno.cz  |
|  Institute of Scientific Instruments    |                                |
|  Kra'lovopolska' 147                    | tel: +42-5-41321246, ext. 261  |
|  CZ-612 64 Brno, Czechlands             | fax: +42-5-746664 or 41211168  |
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