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in Machine Learning by
TPFDF Macros : Close a Subfile(s) – DBCLS
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The DBCLS command is usually the last command macro issued on a Subfile , Files all updates made to the Subfile to DASD , Need to code regardless of modification to Subfile to release blocks and SW00SR slot , All opened Subfiles should be closed before EXITC , Can close more than One Subfile with one call

Mandatory Parameters for DBCLS

REF= | FILE=  (or both),

REF=ALL can be coded to close all open Subfiles

NODUMP

Optional Parameters for DBCLS

ABORT=

ABORT is coded for closing a Subfile without filing blocks to DASD , Use only when opened in the DETAC mode

ALG= | ORD = | FADDR =  , SUFFIX=

RELEASE|NORELEASE|REUSE

RELEASE , Releases the SW00SR Slot and is the default , if NORELEASE is coded the SW00SR slot is not released , You may perform a subsequent Command on the Subfile

REUSE

SW00SR Slot , Key parameters are retained , SW00FAD is zeroised , can issue a subsequent DBRED with a different ALG | ORD | FADDR , Cannot use REUSE and RELEASE together.

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