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Working with File Manager
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.
How enhanced processing works
Enhanced processing modes
Enhanced member processing

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.
  - Why enhance File Manager processing?
    Enhanced processing allows end users to easily perform tasks that would otherwise need to be done by skilled application programmers, and to concentrate on business results rather than data processing problems.
  - Which tasks can be enhanced
    You can supply a procedure with DFSORT or REXX statements to enhance normal File Manager processing according to your own requirements.
  - Choosing the right function to enhance
    With enhanced processing it can be unclear which function or panel to invoke for a particular task, and what combination of template, DFSORT and REXX (or FASTREXX) processing is best to use.
  - Creating and supplying a procedure
  - How enhanced processing works
  - REXX and DFSORT Examples
  - Examples of tasks that can be performed easily using FASTREXX
- 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.
- 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

Enhanced member processing

You can enhance the following utilities with member processing:

Copy Utility (option 3.3) or Data Set Copy function (DSC)
Print Utility (option 3.2) or Data Set Print function (DSP)

The key concept is that the user procedure is presented with each record in the member. The user procedure tests each record for some conditions and then tells File Manager whether or not the entire member should be copied or printed.

Member processing always requires a user procedure. The commands, RETURN PROCESS MEMBER and RETURN DROP MEMBER, enable the user procedure to indicate respectively whether or not the current utility operation (print or copy) should be performed on the member. If the user procedure makes no decision, File Manager continues to pass records to the user procedure by using the RETURN command.

For member processing, you must specify the MEMPROC option, as well as a default behavior (PROCESS or DROP). If the entire member is read and no decision is made by the user procedure (that is, there is no RETURN PROCESS MEMBER or RETURN DROP MEMBER command returned), then the default behavior (PROCESS or DROP) is used.

Changes made by the user procedure to the output record are ignored during member processing.

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