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Return a Non Numeric value from REXX


IBM Mainframe Forums -> CLIST & REXX
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Learncoholic

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Joined: 20 Sep 2007
Posts: 93
Location: India

PostPosted: Fri Sep 01, 2017 8:33 pm
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Hi,
I have a REXX program MYREXX that has an EXEC call as:
Code:
"EXEC 'MY.REXX.PDS(MYMEM)' '"PARM"'"


I want to return a value back to MYREXX from another REXX program MYMEM.

Can you please suggest a way?

Thanks
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sergeyken

Active Member


Joined: 29 Apr 2008
Posts: 879
Location: Maryland

PostPosted: Fri Sep 01, 2017 10:03 pm
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"EXEC ..." in fact assumed "Address TSO EXEC ..."
It requires switching to TSO environment, looking for library member, detecting that this is a new REXX, and switching back to REXX environment to interpret it.
Doesn't make much sense, and this way also makes it impossible to pass/return values in REXX manner.

I would recommend:
1) Change your "EXEC ..." to normal REXX-style CALL MYMEM {parameters}, or Res = MYMEM( {parameters} )
2) make MY.REXX.PDS available under //SYSEXEC DD concatenation
3) pass and return ANY values allowed in REXX-style calls
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Nic Clouston

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Joined: 10 May 2007
Posts: 2432
Location: Hampshire, UK

PostPosted: Sat Sep 02, 2017 3:40 pm
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And use
Code:
RETURN a_value
in your called routine.
You could use the queue if you wanted - MYMEM pushes the data onto the queue and MYEXEC pulls it from the queue.
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Willy Jensen

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Joined: 01 Sep 2015
Posts: 397
Location: Denmark

PostPosted: Mon Sep 04, 2017 1:25 pm
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Temporarily add your library to SYSEXC to allow non-numeric return value.

Address TSO "altlib act da('MY.REXX.PDS') appl(exec)"
cc=MYMEM(parm)
Address TSO "altlib deact appl(exec)"
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