Special Variables

There are three special variables that ARexx sets automatically during execution of a script:

Variable	Description
`RC`	`RC` is set to return code from any executed host command. If an `ERROR` or `SYNTAX` interrupt occurs, `RC` is set to the error code that triggered the interrupt. The `NOVALUE` and `HALT` interrupts have no effect on `RC`.
`RESULT`	`RESULT` is set by a `RETURN` instruction in a subroutine that has been called. If the `RETURN` instruction has no expression on it, then `RESULT` becomes uninitialized.
`SIGL`	`SIGL` contains the line number of the last instruction that caused a jump to a label.

None of these variables have an initial value. They may be altered by the user, but ARexx will continue to set them automatically when appropriate. The PROCEDURE and DROP instructions also affect these variables.

Special Variables

Index