| !getvariable() | ||
|---|---|---|
 | Chapter 2. System Functions |  |
!getvariable()
Prototype
!getvariable (
string variable
Return value
This function returns a string containing the value of the environment variable matching the string argument, or .nul if no match was found.
Description
Retrieves the value of an environment variable that matches the name of the
argument passed. If no match is found, it returns .nul.
Parameters
| Parameter | Default value | Type name | Description |
|---|---|---|---|
| variable | None | string | The name of the environment variable to be retrieved. |