XFD_MAP tells the run time system to associate certain filenames with a particular XFD. This enables you to use one XFD for many different files. You can use XFD_MAP to add or replace the existing value, depending on the setting of the XFD_MAPS_RESETS configuration variable.
The XFD_MAP variable has this syntax:
XFD_MAP [pattern = base-xfd-name] ...
where pattern consists of any valid filename characters and may include "*" or "?". These two characters have special meanings in the pattern:
For example:
Note that XFD_MAP cannot be read from the ACCEPT FROM ENVIRONMENT statement.