Table 1 shows the valid file operation codes allowed for DISK files processed by keys and Table 2 for DISK files processed by non-keyed methods. The operations shown in these figures are valid for externally described DISK files and program-described DISK files.
File-Description |
Calculation Specifications Positions | ||||
|---|---|---|---|---|---|
| 17 | 18 | 20 | 281 | 342 | 26-35 |
| I | P/S | K/A/P/G/ |
CLOSE, FEOD, FORCE | ||
| I | P/S | A | K/A/P/G/ |
WRITE, CLOSE, FEOD, FORCE | |
| I | P/S | L | K/A/P/G/ |
CLOSE, FEOD, FORCE | |
| U | P/S | K/A/P/G/ |
UPDATE, DELETE, CLOSE, FEOD, FORCE | ||
| U | P/S | A | K/A/P/G/ |
UPDATE, DELETE, WRITE, CLOSE, FEOD, FORCE | |
| U | P/S | L | K/A/P/G/ |
UPDATE, DELETE, CLOSE, FEOD, FORCE | |
| I | F | K/A/P/G/ |
READ, READE, READPE, READP, SETLL, SETGT, CHAIN, OPEN, CLOSE, FEOD | ||
| I | F | A | K/A/P/G/ |
WRITE, READ, READPE, READE, READP, SETLL, SETGT, CHAIN, OPEN, CLOSE, FEOD | |
| I | F | L | K/A/P/G/ |
READ, OPEN, CLOSE, FEOD | |
| U | F | K/A/P/G/ |
READ, READE, READPE, READP, SETLL, SETGT, CHAIN, UPDATE, DELETE, OPEN, CLOSE, FEOD | ||
| U | F | A | K/A/P/G/ |
WRITE, UPDATE, DELETE, READ, READE, READPE, READP, SETLL, SETGT, CHAIN, OPEN, CLOSE, FEOD | |
| U | F | L | K/A/P/G/ |
READ, UPDATE, DELETE, OPEN, CLOSE, FEOD | |
| O | Blank | A | K/A/P/G/ |
WRITE (add new records to a file), OPEN, CLOSE, FEOD | |
| O | Blank | K/A/P/G/ |
WRITE (initial load of a new file)3, OPEN, CLOSE, FEOD | ||
Note:
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|
File-Description |
Calculation Specifications Positions | ||||
|---|---|---|---|---|---|
| 17 | 18 | 20 | 34 | 44-80 | 26-35 |
| I | P/S | Blank | CLOSE, FEOD, FORCE | ||
| I | P/S | Blank | RECNO | CLOSE, FEOD, FORCE | |
| U | P/S | Blank | UPDATE, DELETE, CLOSE, FEOD, FORCE | ||
| U | P/S | Blank | RECNO | UPDATE, DELETE, CLOSE, FEOD, FORCE | |
| I | F | Blank | READ, READP, SETLL, SETGT, CHAIN, OPEN, CLOSE, FEOD | ||
| I | F | Blank | RECNO | READ, READP, SETLL, SETGT, | |
| U | F | Blank | READ, READP, SETLL, SETGT, CHAIN, UPDATE, DELETE, OPEN, CLOSE, FEOD | ||
| U | F | Blank | RECNO | READ, READP, SETLL, SETGT, CHAIN, UPDATE, DELETE, OPEN, CLOSE, FEOD | |
| U | F | A | Blank | RECNO | WRITE (overwrite a deleted record), READ, READP, SETLL, SETGT, CHAIN, UPDATE, DELETE, OPEN, CLOSE, FEOD |
| I | R | A/P/G/ |
OPEN, CLOSE, FEOD | ||
| I | R | Blank2 | OPEN, CLOSE, FEOD | ||
| O | Blank | A | Blank | RECNO | WRITE3 (add records to a file), OPEN, CLOSE, FEOD |
| O | Blank | Blank | RECNO | WRITE4 (initial load of a new file), OPEN, CLOSE, FEOD | |
| O | Blank | Blank | Blank | WRITE (sequentially load or extend a file), OPEN, CLOSE, FEOD | |
Note:
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