Common Entries
The following entries are common to all
RPG specifications preceding
program data in column-limited source (see Fully free-form statements):
- Positions 1-5 can be used for comments.
- If it is a free-form statement, positions 6-7 must be blank.
- If it is a fixed-form statement, the specification type
is specified in position 6. The following letter codes can
be used:
- Entry
- Specification Type
- H
- Control
- F
- File description
- D
- Definition
- I
- Input
- C
- Calculation
- O
- Output
- P
- Procedure
- Comment Statements
- Position 7 contains an asterisk (*). This will denote
the line as a comment line regardless of any other entry on the specification.
In a free-form calculation specification, you can use
//for a comment. Any line on any fixed-form specification that begins with // is considered a comment by the compiler. The // can start in any position provided that positions 6 to the // characters contain blanks. - Positions 6 to 80 are blank.
- See free-form comments for more information about comments in free-form specifications.
- Position 7 contains an asterisk (*). This will denote
the line as a comment line regardless of any other entry on the specification.
In a free-form calculation specification, you can use
- Positions 7 to 80 are blank and position 6 contains a valid specification. This is a valid line, not a comment, and sequence rules are enforced.