Discussion:
RPL macro
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Peter
2017-09-13 08:18:57 UTC
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Hi

Just trying to understand the functions OF RPL macro.

Is it just primarily used FOR VSAM or it can be used by any other product
for copying ?

Peter

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Binyamin Dissen
2017-09-13 08:57:37 UTC
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On Wed, 13 Sep 2017 13:50:07 +0530 Peter <***@GMAIL.COM> wrote:

:>Just trying to understand the functions OF RPL macro.

You mean GENCB BLK=RPL?

:>Is it just primarily used FOR VSAM or it can be used by any other product
:>for copying ?

How would you want to use it?

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Don Poitras
2017-09-13 11:38:06 UTC
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Post by Peter
Hi
Just trying to understand the functions OF RPL macro.
Is it just primarily used FOR VSAM or it can be used by any other product
for copying ?
Peter
It's analogous to how the DCB is used for sequential datasets. Used
by VSAM and VTAM. RPL is for the get and put part, the ACB describes
VSAM dataset or the VTAM application program. Not just copying, but
all I/O.
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Don Poitras - SAS Development - SAS Institute Inc. - SAS Campus Drive
***@sas.com (919) 531-5637 Cary, NC 27513

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Peter
2017-09-13 14:01:27 UTC
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Hi

Does RPL usage increases the buffer usage of VTAM ?
Post by Don Poitras
Post by Peter
Hi
Just trying to understand the functions OF RPL macro.
Is it just primarily used FOR VSAM or it can be used by any other product
for copying ?
Peter
It's analogous to how the DCB is used for sequential datasets. Used
by VSAM and VTAM. RPL is for the get and put part, the ACB describes
VSAM dataset or the VTAM application program. Not just copying, but
all I/O.
--
Don Poitras - SAS Development - SAS Institute Inc. - SAS Campus Drive
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Don Poitras
2017-09-13 16:22:02 UTC
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RPL usage is how programs, well, _use_ VTAM. So certainly they increase
buffer usage. It's a meaningless question though as without RPL
usage, VTAM wouldn't _do_ anything.

It's like asking, "Does DCB usage increase the buffer usage of QSAM".
Sure it does. Why wouldn't it?
Post by Peter
Hi
Does RPL usage increases the buffer usage of VTAM ?
Post by Don Poitras
Post by Peter
Hi
Just trying to understand the functions OF RPL macro.
Is it just primarily used FOR VSAM or it can be used by any other product
for copying ?
Peter
It's analogous to how the DCB is used for sequential datasets. Used
by VSAM and VTAM. RPL is for the get and put part, the ACB describes
VSAM dataset or the VTAM application program. Not just copying, but
all I/O.
--
Don Poitras - SAS Development - SAS Institute Inc. - SAS Campus Drive
***@sas.com (919) 531-5637 Cary, NC 27513

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