Set



ʾûɾûκβset ʾǰá


﷨



set [[/a [expression]] [/p [variable=]] string]






	/a

	 string óɿֱֵʽ

	/p

	 variable ֵóС

	variable

	ָҪû޸ĵı

	string

	ָҪַָ

	/?
ʾʾ



ע


ʹąָ́е set

set вͬĲɴӡָ̨лá
	ʹַ

	ַ <  > |  &  ^ ַַʹʱλ escape ַ (^) ֮ǰ"StringContaining&Symbol"ҪʹŽַַŽóɻֵһ֡
	ʹû

    ʹûɿĳЩļͳĲɿ Windows XP  MS-DOS ϵͳʾ͹ķʽAutoexec.nt ļоʹ set û
    
 ʾǰĻ
	
ֻ set ʱʾǰĻáЩͨҴϳ COMSPEC  PATH Windows XP ʹõ PROMPT  DIRCMD
    
 ʹò
	
 ֵַָʱָıֵӵûҸַñѾڸñµֵַɵֵַ

 ֻΪ set ָһһȺţûַñֵַһ
    
	 ʹ /a
	
 ±ԴӸߵ͵˳г֧ /a 



ִеĲ


< >



* / % + -
㷨


<< >>
߼λ


&
λ͡


^
λ


|
λ


= *= /= %= += -= &= ^= |= <<= >>=



,
ʽָ



 ʹ߼ (&& ||) ģ (%) ʹŽʽַʽеķַΪֵתȻŽдָǰûжĻֵԻ㣬Ҫʹ % һֵ

 ű set /aʾñʽֵ

 ֵָʮƵ֣ǰ׺ 0&times; ʾʮ֣ 0 ʾ˽֡ˣ0&times;2  18 ͬҲ 022 ͬ˽Ʊʾ磬08  09 Ч֣Ϊ 8  9 Чİ˽֡
	
	 ʹ /p
	
 Ҫʾַ
	
	 ֧ӳٵĻչ
	
 ѾӳٵĻչ֧֡Ĭ½ø֧֣ʹ cmd /v ûá
	
	 ʹչ
	
 չĬϣ set ʱʾеǰĻʹһֵ setʾֵƥı
	
	 ļʹ set
	
 ļʱʹ set Ȼʹñű %0  %9 һʹЩҲʹ %0  %9 Ϊ set 롣
	
	 ļ set 
	
 ļñֵʱ뽫ֵðٷֺţ%磬򴴽һ BAUDм %baud% BAUD ַΪ滻ʹá
	








 ҪΪ TEST^1 Ļ룺

set testVar=test^^1

ҪΪ TEST&1 Ļ룺

set testVar=test^&1

Set ֵóɵȺ (=) ݡ룺

set testVar="test^1" õ½

testVar="test^1"

 ҪΪ INCLUDE Ļʹַ C:\Inc C ϵ \Inc Ŀ¼ñ룺 

 set include=c:\inc 

 Ȼͨưٷֺ (%)  INCLUDE ļʹַ C:\Inc磬ļаʾ INCLUDE Ŀ¼ݡ

 dir %include% 

 ʱַ C:\Inc  %include%

 ʹ setĿ¼ӵ PATH С磺

@echo off 
 rem ADDPATH.BAT adds a new directory 
 rem to the path environment variable. 
 set path=%1;%path% 
 set 

 ʽĬϣʹһֵ set ʱʾֵƥı磬ʾ set põ½

 Path=C:\WINNT\system32;C:\WINNT;C:\WINNT\System32\Wbem
 PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
 PROCESSOR_ARCHITECTURE=x86
 PROCESSOR_IDENTIFIER=x86 Family 6 Model 8 Stepping 1, GenuineIntel
 PROCESSOR_LEVEL=6
 PROCESSOR_REVISION=0801
 ProgramFiles=C:\Program Files
 PROMPT=$P$G

XOX





 
