fn:environment-variable
Returns the value of a system environment variable, if it exists.
environment-variable($name as xs:string) ➔ xs:string?
Arguments | |||
| $name | xs:string | The name of the required environment variable |
Result | xs:string? |
Namespace
http://www.w3.org/2005/xpath-functions
Links to W3C specifications
XPath 3.0 Functions and Operators
XPath 3.1 Functions and Operators
Notes on the Saxon implementation
Implemented in Saxon 9.3 under the name get-environment-variable
; name
changed to environment-variable
in Saxon 9.4. Available provided XPath 3.0 is
enabled.
Implemented in Saxon using the Java method System.getenv()
. The rule in the
XPath specification requiring the result to be deterministic is not enforced.