Cobol Tutorial

 
 
 

Basic Programming

Example of string and unstring Describe Functionality of two dimension table Insert, delete, update, view in index file Display the pattern of square School management system

Mathematical Program

Print bill report Purchase and rebate amount payslip Sort records of file Displays alphanumeric char on screen graphic mode Student details using relative file Converting integer to its number of words Use of move clause for numeric values Use multiple array Inventory transactions User input data and stores it in to the file Multiplication table Generate sales register

Sorting Programs

Store content in file,record of field - other file Calculate Total percentage Classfor each student Edit character Display pattern of numbers in reverse pattern Sescribes how to use Sort technique Declares data to the compiler Input record into file using extend mode Draw a line Use of Tables with INPUT clause Check student is pass or fail i/p result from user Calculate monthly sales amount -sequential access Create result statement for given semester Search name from file display roll no of student Generating julian date

Clause

Describe Functionality of Relative File Print addition of two nos and sum is third or not Use of perform verbs Bank Report depending upon user choice Displays alphanumeric character in graphics mode Reads in states until end of data Read student details from file - read operation Evaluates arithmetic expression - stores result Use of evaluate clause Describe use of IF CONDITION and PRINT Calculate Total percentage Class for each student Draws rectangle filled with one color Search perticular record Find age from accepted date from user Merge 2 files with students records Print presence report based on provided data Use of Inspect clause Check entered date is valid birth date or not Display on Console a message entered by user Display message entered by user on console Generate student mark sheet using file r/w op Check if a number is a fibonacci or not

File Programs

Check two same condition name is allow or not Arithmetic operations add,sub,div and mul Use of leading and trailing Sequential search Class condition Student detail management using indexed file Print mark sheet of a student with grades Use of Redefine clause Create marksheet of student Find smallest quotation for given item Write records reside in i/p file- show on screen Sum of series 1 + 1/4 + 1/9 Using sign test for numeric value

Search Programs

Enter value is alphabetic,numeric,alphanumeric Find yearly depreciation Unstring word Bubble sort DOS standard o/p device Create the index file Draw polygon Use of EVALUATE clause Count number of char Date manipulation FILE Read Operation Add two numbers Generate sales report item wise

String Programs

Includes external source file in current file Gross salary, deduction, net salary of employee Count character for no of times in input string Display triangle of numbers SORTING Operation Add 2 or more operands and stores result Relative file - insertion,deletion,updation, print Divides one or more operands by another IF-ELSE Clause Group wise stock summary Attendence Report of Employees Draws an ellipse or a circle Binary search using files Generating date and time Describe Functionality of table by using File Fahrenheit into temperature - C = (5/9) * (f - 32) Use of Control Break clause Print employee detail Display on printer message entered by user Displays message entered by user on printer Merging two files in a single file Generate arithmetic operation - evaluate clause

General Programs

Evaluate gender from user and print Display input number is prime or not Displays on printer - divide operation quotient Binary search on student name, print roll number job appl checking candidate is eligible or not Read data from input file and move to output file Print account report Use of Sign clause Create attendence sheet
 
 
       IDENTIFICATION DIVISION.
        PROGRAM-ID. MARKSHEET.

       ENVIRONMENT DIVISION.
        INPUT-OUTPUT SECTION.
         FILE-CONTROL.

           SELECT FILE-READ ASSIGN TO DISK
            ORGANIZATION IS LINE SEQUENTIAL.

           SELECT FILE-WRITE ASSIGN TO DISK
            ORGANIZATION IS LINE SEQUENTIAL.

       DATA DIVISION.
        FILE SECTION.

         FD FILE-READ
            VALUE OF FILE-ID IS \"RESULT.DAT\".
         01 F-REC-IN.
            02 ROLL-IN  PIC 9(2).
            02 NAME-IN  PIC X(28).
            02 MARKS-IN PIC 9(2) OCCURS 5 TIMES.

         FD FILE-WRITE
            VALUE OF FILE-ID IS \"MARKSHET.RPT\".
         01 F-WRITE-OUT PIC X(83).   

        WORKING-STORAGE SECTION.
         77 COUNT-DIST  PIC 99 VALUE ZEROS.
         77 COUNT-FIRST PIC 99 VALUE ZEROS.
         77 COUNT-SEC   PIC 99 VALUE ZEROS.
         77 COUNT-PASS  PIC 99 VALUE ZEROS.
         77 COUNT-FAIL  PIC 99 VALUE ZEROS.

         77 EOF PIC X VALUE \'Y\'.
         77 IND PIC 9 VALUE 1.

         77 TOTAL-TEMP PIC 9999 VALUE ZEROS.
         77 PER-TEMP PIC 99V99.
            88 DIST   VALUE 70 THRU 100.
            88 FIRST1 VALUE 60 THRU 69.
            88 SECOND VALUE 50 THRU 59.
            88 PASS   VALUE 40 THRU 49.

         77 HEAD-LINE1 PIC X(83)
            VALUE \"<---------------------------------MARKSHEET----------
      -           \"----------------------->\".
         77 HEAD-LINE2 PIC X(83)
            VALUE \"ROLL             NAME               <---MARKS----> TO
      -           \"TAL  AVG      CLASS\".
         77 HEAD-LINE3 PIC X(83)
            VALUE \" NO                                 S1 S2 S3 S4 S5\".

         77 DASH-LINE PIC X(77) VALUE ALL \"-\".

         77 FOOTER1 PIC X(20) VALUE \"      DISTINCTION  :\".
         77 FOOTER2 PIC X(20) VALUE \"      FIRST  CLASS :\".
         77 FOOTER3 PIC X(20) VALUE \"      SECOND CLASS :\".
         77 FOOTER4 PIC X(20) VALUE \"      PASS   CLASS :\".
         77 FOOTER5 PIC X(20) VALUE \"      FAIL         :\".

      *   1         2         3         4         5         7         8
      *1234567890123456789012345678901234567890123456789012345678901234567890123456789
      *<-----------------------------MARKSHEET------------------------------>

      *ROLL             NAME             <---MARKS----> TOTAL  PER      CLASS
      * NO                               S1 S2 S3 S4 S5  999  99.99
      *      DISTINCTION  :
      *      FIRST  CLASS :
      *      SECOND CLASS :
      *      PASS   CLASS :
      *      FAIL         :
         01 REC-OUT.
            02 ROLL-OUT PIC ZZZ9.
            02          PIC XX.
            02 NAME-OUT PIC X(27).
            02          PIC XX.
            02 MARKS-OUT PIC ZZ9 OCCURS 5 TIMES.
            02 TOTAL-OUT PIC ZZZZ9.
            02 PER-OUT PIC ZZ99.99.
            02           PIC XX.
            02 CLASS-OUT PIC X(12).

       PROCEDURE DIVISION.
         BEGIN.
           OPEN INPUT FILE-READ.
           OPEN OUTPUT FILE-WRITE.

           PERFORM HEADING-PARA.

           PERFORM UNTIL EOF = \'N\'
            READ FILE-READ
             AT END MOVE \'N\' TO EOF
             NOT AT END PERFORM PROCESS-PARA
           END-PERFORM.

           PERFORM SUMMERY-PARA.

           CLOSE FILE-READ.
           CLOSE FILE-WRITE.
           STOP RUN.

         HEADING-PARA.
            WRITE F-WRITE-OUT FROM HEAD-LINE1
            WRITE F-WRITE-OUT FROM HEAD-LINE2 AFTER ADVANCING 1 LINES.
            WRITE F-WRITE-OUT FROM HEAD-LINE3 AFTER ADVANCING 1 LINES.
            WRITE F-WRITE-OUT FROM DASH-LINE  AFTER ADVANCING 1 LINES.

         PROCESS-PARA.
            MOVE ROLL-IN TO ROLL-OUT
            MOVE NAME-IN TO NAME-OUT
            MOVE ZEROS TO TOTAL-TEMP 
            PERFORM 5 TIMES
                COMPUTE TOTAL-TEMP = TOTAL-TEMP + MARKS-IN (IND)
                MOVE MARKS-IN (IND) TO MARKS-OUT (IND)
                ADD 1 TO IND
            END-PERFORM

            MOVE 1 TO IND
            MOVE TOTAL-TEMP TO TOTAL-OUT

            DIVIDE 5 INTO TOTAL-TEMP GIVING PER-OUT PER-TEMP

            EVALUATE TRUE
             WHEN DIST
                MOVE \"DISTINCTION\" TO CLASS-OUT
                ADD 1 TO COUNT-DIST
             WHEN FIRST1
                MOVE \"FIRST CLASS\" TO CLASS-OUT
                ADD 1 TO COUNT-FIRST
             WHEN SECOND
                MOVE \"SECOND CLASS\" TO CLASS-OUT
                ADD 1 TO COUNT-SEC
             WHEN PASS
                MOVE \"PASS CLASS\" TO CLASS-OUT
                ADD 1 TO COUNT-PASS
             WHEN OTHER
                MOVE \"FAIL\" TO CLASS-OUT
                ADD 1 TO COUNT-FAIL
            END-EVALUATE

            WRITE F-WRITE-OUT FROM REC-OUT AFTER ADVANCING 1 LINES.

         SUMMERY-PARA.
            WRITE F-WRITE-OUT FROM DASH-LINE AFTER ADVANCING 1 LINES
            WRITE F-WRITE-OUT FROM FOOTER1 AFTER ADVANCING 1 LINES
            WRITE F-WRITE-OUT FROM COUNT-DIST
            WRITE F-WRITE-OUT FROM FOOTER2 AFTER ADVANCING 1 LINES 
            WRITE F-WRITE-OUT FROM COUNT-FIRST 
            WRITE F-WRITE-OUT FROM FOOTER3 AFTER ADVANCING 1 LINES
            WRITE F-WRITE-OUT FROM COUNT-SEC
            WRITE F-WRITE-OUT FROM FOOTER4 AFTER ADVANCING 1 LINES
            WRITE F-WRITE-OUT FROM COUNT-PASS
            WRITE F-WRITE-OUT FROM FOOTER5 AFTER ADVANCING 1 LINES
            WRITE F-WRITE-OUT FROM COUNT-FAIL.

 
 
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