Home Library Learn Downloads Support Community
Sign in | United States - English | |
2 out of 5 rated this helpful - Rate this topic

ExpandEnvironmentStrings Method

Returns an environment variable's expanded value.

Copy 

                      object.ExpandEnvironmentStrings(strString)
object

WshShell object.

strString

String value indicating the name of the environment variable you want to expand.

The ExpandEnvironmentStrings method expands environment variables defined in the PROCESS environment space only. Environment variable names, which must be enclosed between "%" characters, are not case-sensitive.

The following code expands the Windows Directory environment variable and displays it:

VBScript
Copy 
set WshShell = WScript.CreateObject("WScript.Shell")
WScript.Echo "WinDir is " & WshShell.ExpandEnvironmentStrings("%WinDir%")
JScript
Copy 
var WshShell = WScript.CreateObject("WScript.Shell");
WScript.Echo("WinDir is " + WshShell.ExpandEnvironmentStrings("%WinDir%"));

Applies To:

WshShell Object

Did you find this helpful?
(1500 characters remaining)
Community Content Add
Annotations FAQ
It may seem obvious but...

If the environment variable is not defined, the method cannot "expand" the value and returns a string equal to the input.

var oShell = new ActiveXObject("WScript.Shell");
var strReturn = oShell.ExpandEnvironmentStrings("%MISSING%");
WScript.Echo(strReturn);


Example output: %MISSING%

History