REXX Tips & Tricks, Version 2.80

0.9b (c) 1995 Peter Childs

Check if a REXX program is already running

Use the REXXUTIL function <SysQuerySwitchList (introduced in the new 
REXXUTIL.DLL from Object-Oriented REXX) to check if a REXX program is 
already running. 

Note:  This function is only available in the REXXUTIL DLL from Object 
       REXX for OS/2 Version OBJREXX 6.00 11 Nov 1997 or newer. 

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