PEXIST()

From Lianjapedia
Revision as of 07:46, 10 December 2012 by Admin (Talk | contribs)

Jump to: navigation, search

Purpose

Function to determine whether a function or procedure is active


Syntax

PEXIST(<expC>)


See Also

FUNCTION, DISPLAY PROCEDURE, LIST PROCEDURE, PROCEDURE, RETURN, 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