Summary of Environment Division File Statements

Transcription

1 Organization: Sequential; Device Class: Card Reader UR[-xxxx]-S-DDname OMITTED ACCESS SEQUENTIAL BLOCK CONTAINS 1 [ integer TO ] integer RECORDING MODE { F U V } Notes: 1 Not for U (undefined) recording mode. Organization: Sequential; Device Class: Card Punch UR[-xxxx]-S-DDname OMITTED WRITE [ FROM ] [ { BEFORE AFTER } ADVANCING ] [ AFTER POSITIONING ] APPLY WRITE-ONLY (V-mode only) ACCESS SEQUENTIAL BLOCK CONTAINS 1 [ integer TO ] integer RECORDING MODE { F U V } Notes: 1 Not for U (undefined) recording mode. Page 1

2 Organization: Sequential; Device Class: Line Printer UR[-xxxx]-S-DDname OMITTED WRITE [ FROM ] [ { BEFORE AFTER } ADVANCING ] [ AFTER POSITIONING ] END-OF-PAGE APPLY WRITE-ONLY (V-mode only) ACCESS SEQUENTIAL BLOCK CONTAINS 1 [ integer TO ] integer RECORDING MODE { F U V } REPORTING Notes: 1 Not for U (undefined) recording mode. Page 2

3 Organization: Sequential; Device Class: Tape UT[-xxxx]-S-DDname { STANDARD OMITTED data-name [ TOTALING - TOTALED ] } [ REVERSED ] [ NO REWIND ] [ LEAVE ] [ REREAD ] [ DISP ] [ NO REWIND ] [ LEAVE ] [ REREAD ] [ DISP ] CLOSE [ REEL ] [ LOCK ] [ NO REWIND ] [ POSITIONING ] [ DISP ] WRITE [ FROM ] [ { BEFORE AFTER } ADVANCING ] [ AFTER POSITIONING ] APPLY 1 WRITE-ONLY (V-mode only) ACCESS SEQUENTIAL MULTIPLE FILE TAPE BLOCK CONTAINS 2 [ integer TO ] integer RECORDING MODE { F U V S } LABEL LABEL REPORTING Notes: 1 Has meaning only for files opened. Notes: 2 Not for U (undefined) recording mode. Page 3

4 Organization: Sequential; Device Class: Mass Storage { UT DA }[-xxxx]-s-ddname { STANDARD OMITTED data-name [ TOTALING - TOTALED ] } CLOSE I-O [ UNIT ] [ LOCK ] [ UNIT ] [ LOCK ] [ LOCK ] (when is I-O) [ { BEFORE AFTER } ADVANCING ] [ AFTER POSITIONING ] (when is I-O) WRITE 2 [ FROM ] REWRITE 2 [ FROM ] [ ] APPLY 3 RECORD-OVERFLOW (not for S-mode) WRITE-ONLY (V-mode only) ACCESS SEQUENTIAL BLOCK CONTAINS 4 [ integer TO ] integer RECORDING MODE { F U V S } REPORTING (when is I-O) Notes: 1 Create (load). Notes: 2 Update. Notes: 3 Has meaning only for files opened. Notes: 4 Not for U (undefined) recording mode. Page 4

5 Organization: lndexed; Device Class: Mass Storage; Access: Sequential DA[-xxxx]-I-DDname KEY RECORD NOMINAL STANDARD I-O START 1 [ ] START 2 USING KEY [ ] WRITE 3 [ FROM ] [ ] REWRITE 4 [ FROM ] [ ] START 1 [ ] START 2 USING KEY [ ] BLOCK CONTAINS Integer RECORDING MODE F Notes: 1 NOMINAL clause required on SELECT. Notes: 2 NOMINAL clause optional on SELECT. Notes: 3 Create (load). Notes: 4 Update (when is I-O) Page 5

6 Organization: lndexed; Device Class: Mass Storage; Access: Random DA[-xxxx]-I-DDname KEY RECORD NOMINAL STANDARD I-O [ ] REWRITE 2 [ FROM ] [ ] APPLY 3 REORG-CRITERIA CORE-INDEX RESERVE BLOCK CONTAINS RECORDING MODE Notes: 1 Add. Notes: 2 Update. Notes: 3 Has meaning only for files opened. NO ON RECORDS TRACK-AREA ON RECORDS integer F (when is I-O) (when is I-O) Page 6

7 Organization: Direct; Device Class: Mass Storage; Access: Sequential DA[-xxxx]-D-DDname KEY [ ACTUAL ] (required when is ) { STANDARD data-name } CLOSE [ UNIT ] [ LOCK ] APPLY 2 RECORD-OVERFLOW 3 TRACK-LIMIT RECORDING MODE { F U V S } Notes: 1 Create (load). Notes: 2 Has meaning only for files opened. Notes: 3 Only for F (fixed) recording mode. Page 7

8 Organization: Direct; Device Class: Mass Storage; Access: Random DA[-xxxx]-D-DDname KEY ACTUAL { STANDARD data-name } I-O SEEK SEEK SEEK WRITE 2 [ FROM ] APPLY 3 RECORD-OVERFLOW 4 ON RECORDS TRACK-LIMIT ON RECORDS ON RECORDS RECORDING MODE { F U V S } Notes: 1 Create (load). Notes: 2 Update and Add. Notes: 3 Has meaning only for files opened. Notes: 4 Only for F (fixed) recording mode. (when is I-O) (when is I-O) Page 8

9 Organization: Relative; Device Class: Mass Storage; Access: Sequential DA[-xxxx]-R-DDname KEY [ NOMINAL ] { STANDARD data-name } CLOSE [ UNIT ] [ LOCK ] APPLY RECORD-OVERFLOW RECORDING MODE F Notes: 1 Create (load). Page 9

10 Organization: Relative; Device Class: Mass Storage; Access: Random DA[-xxxx]-R-DDname KEY NOMINAL { STANDARD data-name } I-O REWRITE 2 [ FROM ] ON RECORDS APPLY RECORD-OVERFLOW RECORDING MODE F Notes: 1 Create (load). Notes: 2 Update. Page 10

11 Card Punch... 1 Card Reader... 1 DASD, Direct, Random... 8 DASD, Direct, Sequential... 7 DASD, Indexed (ISAM), Random... 6 DASD, Indexed (ISAM), Sequential... 5 DASD, Relative, Random DASD, Relative, Sequential... 9 DASD, Sequential... 4 Line Printer... 2 Tape... 3 Page 11