Parte ii - IIS Marconi Latina - Area didattica
Parte ii - IIS Marconi Latina - Area didattica
Parte ii - IIS Marconi Latina - Area didattica
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Programmare in COBOL 1033<br />
|002500*<br />
|002600 WORKING-STORAGE SECTION.<br />
|002700*<br />
|002800 01 CAMPI-SCALARI.<br />
|002900 02 EOJ PIC 9 COMP VALUE IS 0.<br />
|003000*<br />
|003100 PROCEDURE DIVISION.<br />
|003200*------------------------- LIVELLO 0 -----------------------------<br />
|003300 MAIN.<br />
|003400 OPEN EXTEND FILE-DA-SCRIVERE.<br />
|003500 PERFORM INSERIMENTO-DATI UNTIL EOJ = 1.<br />
|003600 CLOSE FILE-DA-SCRIVERE.<br />
|003700 STOP RUN.<br />
|003800*------------------------- LIVELLO 1 -----------------------------<br />
|003900 INSERIMENTO-DATI.<br />
|004000 DISPLAY "INSERISCI IL TESTO DEL RECORD"<br />
|004100 ACCEPT TESTO.<br />
|004200 IF TESTO = SPACES<br />
|004300 THEN<br />
|004400 MOVE 1 TO EOJ,<br />
|004500 ELSE<br />
|004600 WRITE RECORD-DA-SCRIVERE.<br />
|004700*<br />
83.3.4 AGO-83-4: lettura di un file relativo ad accesso diretto<br />
Una copia di questo file dovrebbe essere disponibile presso 〈allegati/cobol/AGO-83-4.cob 〉.<br />
«<br />
|000100 IDENTIFICATION DIVISION.<br />
|000200 PROGRAM-ID. AGO-83-4.<br />
|000300 AUTHOR. DANIELE GIACOMINI.<br />
|000400 DATE-WRITTEN. 1983-08.<br />
|000500*<br />
|000600 ENVIRONMENT DIVISION.<br />
|000700*<br />
|000800 INPUT-OUTPUT SECTION.<br />
|000900*<br />
|001000 FILE-CONTROL.<br />
|001100*<br />
|001200 SELECT FILE-DA-LEGGERE ASSIGN TO "file.rel"<br />
|001300 ORGANIZATION IS RELATIVE<br />
|001400 ACCESS MODE IS RANDOM<br />
|001500 RELATIVE KEY IS N-RECORD.<br />
|001600*<br />
|001700 DATA DIVISION.<br />
|001800*<br />
|001900 FILE SECTION.<br />
|002000*<br />
|002100 FD FILE-DA-LEGGERE<br />
|002200 LABEL RECORD IS STANDARD.<br />
|002300*
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