Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

Specifying options of the PL/I ENVIRONMENT attribute

Many of the options of the PL/I ENVIRONMENT attribute affecting data set structure are not needed for workstation VSAM data sets. If you specify them, they are either ignored or are used for checking purposes. If those that are checked conflict with the values defined for the data set, the UNDEFINEDFILE condition is raised when an attempt is made to open the file.

The ENVIRONMENT options applicable to workstation VSAM data sets are:

     BKWD
     CONSECUTIVE
     CTLASA
     GENKEY
     GRAPHIC
     KEYLENGTH
     KEYLOC
     ORGANIZATION(CONSECUTIVE|INDEXED|RELATIVE)
     RECSIZE
     SCALARVARYING
     VSAM

For a complete explanation of these ENVIRONMENT options and how to use them, see Specifying characteristics using the PL/I ENVIRONMENT attribute. In addition to this list of ENVIRONMENT options, there is a set of options that can be used with a DD statement, see Specifying characteristics using DD:ddname environment variables.


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