z/VSE JCL Example 2: VSAM-managed sequential files

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Figure 1 shows simplified z/VSE® JCL for searching a VSAM-managed sequential file. This example is supplied with SuperC in the Librarian member ASMFVSS2.Z.

Figure 1. Sample z/VSE JCL for searching a VSAM-managed sequential file

// JOB ASMFVSS2
// LIBDEF *,SEARCH=(PRD2.PROD)
// OPTION NODUMP
// DLBL NEWDD,'search_file_ID',0,VSAM,CAT=IJSYSUC,DISP=(OLD,KEEP)
// EXEC ASMFSUPC,PARM='SRCHCMP process_options'
SRCHFOR 'search_string'
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other_process_statements
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/*
/&

If you want to use a DLBL name other than NEWDD, then you must specify a NEWDD process statement (as shown in Figure 1).

If you specify file attributes with the NEWDD process statement, then those file attributes override the VSAM catalog entries for the file to be searched.