Umgebungsvariablen

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Windows XP

Allgemeine Umgebungsvariablen

%ALLUSERSPROFILE%  	C:\Documents and Settings\All Users
%APPDATA% 		C:\Documents and Settings\{username}\Application Data
%COMPUTERNAME% 	{computername}
%COMSPEC% 		C:\Windows\System32\cmd.exe
%HOMEDRIVE% 		C:
%HOMEPATH% 		\Documents and Settings\{username}
%PATH% 		C:\Windows\System32\;C:\Windows\;C:\Windows\System32\Wbem
%PATHEXT% 		.COM; .EXE; .BAT; .CMD; .VBS; .VBE; .JS ; .WSF; .WSH
%PROGRAMFILES% 	Directory containing program files, usually C:\Program Files
%PROMPT% 		Code for current command prompt format. Code is usually $P$G
%SYSTEMDRIVE% 		The drive containing the Windows XP root directory, usually C:
%SYSTEMROOT% 		The Windows XP root directory, usually C:\Windows
%TEMP% and %TMP% 	C:\DOCUME~1\{username}\LOCALS~1\Temp
%USERNAME% 		{username}
%USERPROFILE% 		C:\Documents and Settings\{username}
%WINDIR% 		C:\Windows

Dynamische Umgebungsvariabklen

%DATE%  	Current date in the format determined by the Date command
%TIME% 	Current time in the format determined by the Time command
%CD% 		Current directory with its full path
%ERRORLEVEL% 	Number defining exit status of a previous command or program
%RANDOM% 	Random number between 0 and 32767 

Eigene Umgebungsvariablen setzen

Batch-Script

  • Erweiterung der %PATH%-Variable
setx path "%PATH%;C:\MyNewPath
  • Neue Variable setzen
setx MYVAR myvar
echo %MYVAR%
 myvar

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