You can specify LE run-time options in a configuration file specified by the MFLECONFIG environment variable. MFLECONFIG must specify the filename, including path, of a text file that contains the run-time options you want to use. For example:
SET MFLECONFIG = c:\templates\prod\le_set1.cfg
You must specify each run-time option on a line of its own in the configuration file. The syntax for each option is the same as that defined in the IBM Language Environment Programming Reference.
You can use the IBM-defined abbreviations for the run-time options. The shortest abbreviation you can use for each run-time option is shown in capital letters in Supported LE Run-time Options. For example, you can abbreviate MSGFILE to MSGFIL, MSGFI or MSGF, but MSG will not be recognized.
The IBM-defined default values are used for any supported run-time options that you do not specify in the configuration file.