| Functions and CALL Routines |
Returns the length of an environment variable.
- argument
-
specifies a character variable that is the name of an operating
system environment variable. Enclose argument
in quotation marks.
The ENVLEN function returns the length of the value of
an operating system environment variable. If the environment variable does
not exist, SAS returns -1.
Operating Environment Information: The value of argument is specific to your operating
environment. ![[cautionend]](../../../../common/63294/HTML/default/images/cautend.gif)
The following examples are for illustration purposes only. The actual
value that is returned depends on where SAS is installed on your computer.
|
SAS Statements |
Results |
/* Windows operating environment */
x=envlen("PATH");
put x;
|
309
|
/* UNIX operating environment */
y=envlen("PATH");
put y;
|
365
|
z=envlen("THIS IS NOT DEFINED");
put z;
|
-1
|
Copyright © 2011 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
