Re: Max number of files in an RPG400 program -- RPG400-L

> Peter wrote:
> I am just curious.  I looked in the OS400 Maximum Capacities Documentation
but I
> did not see anything related to this...

>From V4R4 RPG Reference (see table below):
http://publib.boulder.ibm.com/pubs/html/as400/online/v4r4eng.htm

Steve Landess
Austin, Texas
(512) 423-0935


 ________________________________________________________________________
   | Table 43. RPG/400 Restrictions
|
   |____________________________________
___________________________________|
   | Function                           | Restriction
|

|____________________________________|___________________________________|
   | AN/OR lines (positions 7 and 8 of  | Maximum of 7 per operation.
|
   | calculation specifications)        |
|

|____________________________________|___________________________________|
   | Arrays and tables                  | Maximum of 200 per program.
|

|____________________________________|___________________________________|
   | Array/table input record length    | Maximum length is 80.
|
   | for compile time                   |
|

|____________________________________|___________________________________|
   | Character field length             | Maximum length is 256.
|

|____________________________________|___________________________________|
   | Control fields (position 59 and 60 | Maximum length is 256.
|
   | of input specifications) length    |
|

|____________________________________|___________________________________|
   | Data structure length              | Maximum of 9999.
|

|____________________________________|___________________________________|
   | Data structure occurrences (number | Maximum of 9999 per data
|
   | of)                                | structure.
|

|____________________________________|___________________________________|
   | Edit Word                          | Maximum length of 24 for literals
|
   |                                    | or 115 for named constants.
|

|____________________________________|___________________________________|
   | Elements in an array/table         | Maximum of 9999 per array/table.
|
   | (positions 36 through 39 of        |
|
   | extension specifications)          |
|

|____________________________________|___________________________________|
   | File                               | Maximum of 50 per program.
|

|____________________________________|___________________________________|
   | Levels of nesting in structured    | Maximum of 100.
|
   | groups                             |
|

|____________________________________|___________________________________|
   | Look-ahead                         | Can be specified only once for a
|
   |                                    | file.  Can be specified only for
|
   |                                    | primary and secondary files.
|

|____________________________________|___________________________________|
   | Named Constant                     | Maximum length of 256 for
|
   |                                    | character named constant, 512 for
|
   |                                    | hexadecimal named constant, and
|
   |                                    | 30 digits with 9 decimal
|
   |                                    | positions for numeric named
|
   |                                    | constant.
|

|____________________________________|___________________________________|
   | Overflow indicator                 | Only 1 unique overflow indicator
|
   |                                    | can be specified per printer
|
   |                                    | file.
|

|____________________________________|___________________________________|
   | Parameters                         | Maximum of 255
|

|____________________________________|___________________________________|
   | Primary file (P in position 16 of  | Maximum of 1 per program.
|
   | file description specifications)   |
|

|____________________________________|___________________________________|
   | Printer file (PRINTER in positions | Maximum of 8 per program.
|
   | 40 through 46 of file description  |
|
   | specifications)                    |
|

|____________________________________|___________________________________|
   | Printing lines per page            | Minimum of 2; maximum of 112.
|

|____________________________________|___________________________________|
   | Program status data structure      | Only 1 allowed per program.
|

|____________________________________|___________________________________|
   | Record address file (R in position | Only 1 allowed per program.
|
   | 16 of file description             |
|
   | specifications)                    |
|

|____________________________________|___________________________________|
   | Record length for program          | Maximum length is 9999. (1)
|
   | described file (positions 24       |
|
   | through 27 of file description     |
|
   | specifications)                    |
|

|____________________________________|___________________________________|
   | Structured groups (see levels of   |
|
   | nesting)                           |
|

|____________________________________|___________________________________|
   | Subroutines                        | Maximum of 254 per program.
|

|____________________________________|___________________________________|
   | Tables (see arrays)                |
|

|____________________________________|___________________________________|
   | (1)Any device record size restraints override this value.
|

|________________________________________________________________________|