Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Programming Guide

Run-time considerations

Formatting conventions for PRINT files
Changing the format on PRINT files
Automatic prompting
Overriding automatic prompting
Punctuating long input lines
Line continuation character
Punctuating GET LIST and GET DATA statements
Automatic padding for GET EDIT
ENDFILE

You can specify run-time options as parameters passed to the program initialization routine. You can also specify run-time options in the PLIXOPT variable. It might also prove beneficial, from a performance standpoint, if you alter your existing programs by using the PLIXOPT variable to specify your run-time options and recompiling your programs. For a description of using PLIXOPT, see z/OS Language Environment Programming Guide.

To simplify input/output at the terminal, various conventions have been adopted for stream files that are assigned to the terminal. Three areas are affected:

  1. Formatting of PRINT files
  2. The automatic prompting feature
  3. Spacing and punctuation rules for input.
Note:
No prompting or other facilities are provided for record I/O at the terminal, so you are strongly advised to use stream I/O for any transmission to or from a terminal.

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