PEXIST()

Purpose

Function to determine whether a function or procedure is active

Syntax

PEXIST(<expC>)

See Also

CLASS_EXISTS(), FUNCTION, FUNCTION_EXISTS(), DISPLAY PROCEDURE, LIST PROCEDURE, PROCEDURE, RETURN, SET CLASSLIB, SET PROCEDURE

Description

The PEXIST() function determines whether the specified user defined function or procedure is active. The procedure or function is specified by the character expression <expC>. If the procedure or function specified by <expC> is active, the PEXIST() function returns .T., otherwise .F..

Example

if not pexist("myproc")
    set procedure to mylib
endif

Products

Lianja, Lianja Server