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Working with File Manager
Enhanced ISPF: Reference List, Search, Change, and PDSE Workbench
File Manager provides several enhancements to the basic facilities that are available in an ISPF session: Enhanced Reference List, Enhanced Search, Enhanced Change, and PDSE Workbench.
Using Enhanced Reference List, Search, and Change
EFind command syntax
How the data set or resource list is determined
If you specify PARMLIB, PROCLIB, ddnames, RESULT or /reference_member on the EFind command, these will be used to determine the data sets to be searched.
Overriding the data set list from a REXX exec

Working with File Manager
- File Manager overview
- Getting started with File Manager
- Viewing and changing data sets
  To view data stored in a supported data set, use the View Utility or the Edit Utility.
- Creating and editing templates
  For many tasks performed with File Manager, you can manipulate your view of a data set by applying a template.
- Working with the Template List
  Display a list of templates and perform actions on them.
- Filtering records with templates
- Managing data sets
- Using File Manager utilities
- Tape Specific Functions
- Disk/VSAM Data Functions
- OAM Functions
- Using UNIX™ System Services and the Hierarchical File System
- Introduction to programming with File Manager functions
- Enhancing File Manager processing
  You can enhance normal processing of a number of File Manager tasks by supplying a procedure that runs in conjunction with the File Manager process.
- Redefines criteria
  Redefines criteria can be specified for a field with a REDEFINES clause, or a field that is the target of a REDEFINES clause.
- Enhanced ISPF: Reference List, Search, Change, and PDSE Workbench
  File Manager provides several enhancements to the basic facilities that are available in an ISPF session: Enhanced Reference List, Enhanced Search, Enhanced Change, and PDSE Workbench.
  - Setting up the enhanced ISPF commands
    There are two methods of setting up the enhanced ISPF commands.
  - Using Enhanced Reference List, Search, and Change
    - Reference data set
    - EFind command syntax
      - How the data set or resource list is determined
        If you specify PARMLIB, PROCLIB, ddnames, RESULT or /reference_member on the EFind command, these will be used to determine the data sets to be searched.
        Overriding the data set list from a REXX exec
    - EChange command syntax
    - Enhanced Search command panel
      You can run all the options of the EFind command from the panel. File Manager maintains a history of the last 50 commands.
    - Enhanced Search member hit selection list panel
      This panel appears if a successful enhanced search is performed with the List option specified.
    - Enhanced Change command panel
      You can run all the options of the EChange command from the panel. File Manager maintains a history of the last 50 commands.
    - Enhanced Change command member list panel
      This panel displays the reference member list.
    - Navigating the Enhanced search and Change report
    - Using the F4 function key
    - Examples: Enhanced Reference List and Search
    - Examples: Enhanced Change
  - Indexed search
    Use the indexed search to search for words in one or more partitioned data sets that are not load libraries. The search uses an index that contains all of the words and the occurrences of each word in a group of data sets.
  - PDSE Workbench
    Use PDSE Workbench to manage members of all PDS and PDSE data sets, including member generations.
- File Manager Service Provider for z/OS® Connect Enterprise Edition
  File Manager Service Provider for IBM® z/OS® Connect Enterprise Edition enables client applications to access IBM Z data sources using z/OS Connect.
- Function and panel reference lists

Overriding the data set list from a REXX exec

The ISPF variable, CRZDSNX, can be populated with one or more data set names separated by commas and stored in the ISPF SHARED variable pool to direct any nested invocation of enhanced find to use the data set names specified in the variable.

Example

In the following example, a REXX exec produces an ISPF member list. If enhanced find is invoked from the member list, then the DSNs field is populated with the data set names found in CRZDSNX.

Figure 1. Example providing data set names for enhanced find

/* REXX  Example providing data set names for enhanced find */               
mydsns   = "'myhlq.EXEC' 'myhlq.TESTPDS' 'myhlq.TESTPDSE'"                   
CRZDSNX  = "myhlq.EXEC,myhlq.TESTPDS,myhlq.TESTPDSE"  /* enhanced find dsns */
ADDRESS TSO                                                                  
"ALLOC FI(MYDD) DA("mydsns") SHR REUSE"                                     
ADDRESS ISPEXEC                                                              
"VPUT (CRZDSNX) SHARED"                                             
"LMINIT  DATAID(DID) DDNAME(MYDD) ENQ(SHRW)"                                 
"LMOPEN  DATAID("DID")"                                                      
"MEMLIST DATAID("DID") CONFIRM(YES)"                                         
"LMFREE  DATAID("DID")"                                                      
CRZDSNX = " "                                         /* clear variable */   
"VPUT (CRZDSNX) SHARED"                                                      
ADDRESS TSO
"FREE FI(MYDD)"

Note: We clear CRZDSNX before the REXX exec finishes as enhanced find will continue to use these values if they are present in the ISPF shared pool.