Table 1 shows the valid file operation codes for a WORKSTN file.
| File Description Specifications Positions | Calculation Specifications Positions | |
|---|---|---|
| 17 | 18 | 26-35 |
| I | P/S | CLOSE, ACQ, REL, NEXT, POST, FORCE |
| I | P/S | WRITE1, CLOSE, ACQ, REL, NEXT, POST, FORCE |
| I | F | READ, OPEN, CLOSE, ACQ, REL, NEXT, POST |
| C | F | READ, WRITE1, EXFMT2, OPEN, CLOSE, ACQ, REL, NEXT, POST, UPDATE3, CHAIN3, READC3 |
| O | Blank | WRITE1, OPEN, CLOSE, ACQ, REL, POST |
Note:
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The following further explains the EXFMT, READ, and WRITE operation codes when used to process a WORKSTN file.