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Working with File Manager
Creating and editing templates
For many tasks performed with File Manager, you can manipulate your view of a data set by applying a template.
Managing templates
Setting up a template to be used with segmented data

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.
  - Template types and structure
    A File Manager template is a collection of information that you can use to select and format records and fields in an application data set.
  - Template repository
    The template repository is a VSAM KSDS file that is used to associate a data set or resource name with its corresponding template.
  - Managing templates
    - Setting your template processing options
    - Specifying or updating the source definition for a copybook template
    - Advanced copybook selection
    - Creating a copybook template with the Template Workbench
    - Setting up a template to be used with segmented data
    - Creating a template from a model template
    - Creating dynamic templates
    - Creating corresponding templates from selected copybooks
      You can create multiple templates from a PDS of copybooks by using the Template Build Utility.
    - Editing a template
    - Updating one or more templates
  - Manipulating the display of fields in records
  - Managing templates with the Template Workbench
  - Specifying scrambling options
  - Mapping fields between templates
  - Copybook View and Print Utility
    Use the Copybook View and Print Utility to view or print field definition information.
  - XML templates
    A File Manager template can be exported to an external XML format using the Template Export utility.
- 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, Indexed Search, 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

Setting up a template to be used with segmented data

Templates that contain more than one record type can be set to be used with segmented data by entering a / in the Template for segmented data field.

When you are viewing or editing data using a segmented data template, the following restrictions apply to template editing:

You cannot update the Template for segmented data field in the Record Type Selection panel (accessed with the TEDIT command).
You cannot change the Record Identification Criteria, Related Identification Criteria, or Selection Criteria set in the Field Selection/Edit panel (accessed with the TEDIT command and then the E command on the Record Type).
You cannot use the TVIEW command (which would otherwise display the Template Workbench, allowing you to select or create a different template).
The length of a segment is calculated as the length of the matching structure, unless you provide a length field. Any binary or alphanumeric field less than 4 bytes in length can be set as the length field by editing the field attributes. If a length field is provided, then File Manager uses the binary value provided as the segment length and adjusts the structure length accordingly.

¹ You can choose to specify record type definitions that do not contain any Record Identification Criteria. If File Manager cannot match a segment (using Record Identification Criteria) with any of the other record types, it uses the first record type without any Record Identification Criteria, whose length is less than or equal to the remaining length on the record, as a default segment.