A simplified guide to structured COBOL programming
This is for the person who wants to learn what COBOL is, what programming is, and how to use COBOL in typical business data processing applications. Assumes no previous background in programming. Hands-on programming begins in Chapter 1--each chapter is based on one or more example programs applicable to real-life business settings. Treatment is based on the concepts of structured programming--only a few logical control structures are used throughout the book. Emphasizes a clear program style for ease of reading and debugging. All programs have been tested and run, and computer output is displayed in each case.
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ONE GETTING STARTED PROGRAMMING IN COBOL
THREE DATA DIVISION ELEMENTS AND THE ARITHMETIC
FOUR PROGRAM DESIGN PART I AND
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05 FILLER PIC account number ACCOUNT-NUMBER alphanumeric arithmetic blank bytes chapter COBOL COBOL program column contains Data Division data item decimal point decision box deletion DELETION-AND-ERROR-REPORT DETAIL-LINE digits elementary items END MOVE ENVIRONMENT DIVISION error message example FILE SECTION FILE-CONTROL FILLER 05 FILLER PIC XU flag flowchart format GIVING gross pay group item hexadecimal HIGH-VALUES HOURS-WORKED IDENTIFICATION DIVISION identifier-1 INPUT-FILE INPUT-OUTPUT SECTION item named LABEL RECORDS LINE-NUMBER LINE-OUT LINE-RECORD literal-1 logic magnetic tape master record MORE-DATA-REMAINS-FLAG MOVE SPACES MOVE ZERO MULTIPLY numeric digits object program OPEN INPUT operations OUT-OF-CARDS-FLAG output paragraph named PERFORM PIC X PIC X(5 PICTURE character string PICTURE clause printed Procedure Division processing program of Figure PROGRAM-ID pseudocode READ RECORDS ARE OMITTED REDEFINES REPORT-FILE sending item sequence specify statement STOP RUN storage structured programming subscript SUBTRACT tape TR-KEY transaction update VALUE YES verb WORKING-STORAGE SECTION WRITE REPORT-RECORD written Zero suppression