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 Inventory transactions 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 Edit character Display pattern of numbers in reverse pattern 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 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 Unstring word 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 Date manipulation Bubble sort DOS standard o/p device Create the index file Draw polygon Use of EVALUATE clause Count number of char 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
 

Program to print bill report

 
       IDENTIFICATION DIVISION.
        PROGRAM-ID. Table1.

       ENVIRONMENT DIVISION.

        CONFIGURATION SECTION.
         SOURCE-COMPUTER. IBM-PC.
         OBJECT-COMPUTER. IBM-PC.

        INPUT-OUTPUT SECTION.
         FILE-CONTROL.

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

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

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

       DATA DIVISION.

        FILE SECTION.

         FD TABLE-FILE
           VALUE OF FILE-ID IS \"TABLE.IND\".
         01 TABLE-REC.
            05 ZIPCODE PIC 9(6).
            05 FILLER PIC XX.
            05 TAX-RATE PIC 99.

         FD CUST-FILE
           VALUE OF FILE-ID IS \"CUST.DAT\".
         01 SAL-REC.
            05 C-ID PIC 9(4).
            05 FILLER PIC XX.
            05 C-ZIPCODE PIC 9(6).
            05 FILLER PIC XX.
            05 C-SALE PIC 9(6).

         FD BILL-FILE
           VALUE OF FILE-ID IS \"BILL.RPT\".
         01 BILL-REC PIC X(80).

        WORKING-STORAGE SECTION.
        01 TAB.
            05 TABLE-ENTRIES OCCURS 5 TIMES.
                07 TEMP-ZIPCODE PIC 9(6).
                07 FILLER PIC XX.
                07 TEMP-TAX-RATE PIC 99.

        01 OUT-REC.
           05 OUT-C-ID PIC 9(4).
           05       PIC XX VALUE SPACES.
           05 OUT-C-ZIPCODE PIC 9(6).
           05       PIC XX VALUE SPACES.
           05 OUT-C-SALE PIC 9(6).
           05       PIC XX VALUE SPACES.
           05 OUT-C-TAX-RATE PIC 9(2).
           05       PIC XX VALUE SPACES.
           05 OUT-C-TAX PIC 9(6).

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

       PROCEDURE DIVISION.

         BEGIN.
           OPEN INPUT TABLE-FILE
                      CUST-FILE
               OUTPUT BILL-FILE.

           PERFORM GET-TABLE-ENTRIES.
           PERFORM GET-SAL-ENTRIES.

           CLOSE TABLE-FILE
                 CUST-FILE
                 BILL-FILE.

           STOP RUN.

         GET-TABLE-ENTRIES.
           MOVE 1 TO IND
           PERFORM VARYING IND FROM 1 BY 1
                   UNTIL IND > 5
            READ TABLE-FILE
             AT END CONTINUE
             NOT AT END PERFORM MOVE-TABLE-ENTRIES
            END-READ
           END-PERFORM.

         MOVE-TABLE-ENTRIES.
           MOVE ZIPCODE TO TEMP-ZIPCODE (IND)
           MOVE TAX-RATE TO TEMP-TAX-RATE (IND).

         GET-SAL-ENTRIES.
           PERFORM UNTIL EOF = \'Y\'
            READ CUST-FILE
             AT END MOVE \'Y\' TO EOF
             NOT AT END PERFORM MOVE-CUST-ENTRIES
            END-READ
           END-PERFORM.

         MOVE-CUST-ENTRIES.
           MOVE C-ID TO OUT-C-ID
           MOVE C-ZIPCODE TO OUT-C-ZIPCODE
           MOVE C-SALE TO OUT-C-SALE

           MOVE 1 TO IND
           PERFORM VARYING IND FROM 1 BY 1
                   UNTIL IND > 6 OR C-ZIPCODE = TEMP-ZIPCODE (IND)
           END-PERFORM

           IF IND < 6
              MOVE TEMP-TAX-RATE (IND) TO OUT-C-TAX-RATE
              COMPUTE OUT-C-TAX = (OUT-C-SALE * OUT-C-TAX-RATE) /100
           ELSE
              MOVE 0 TO OUT-C-TAX-RATE OUT-C-TAX
           END-IF

           WRITE BILL-REC FROM OUT-REC.


***********************
INPUT FILE 1 - CUST.DAT
***********************

0001  380001  100000
0002  380002  100000
0003  380003  100000
0004  380004  100000
0005  380005  100000

************************
INPUT FILE 2 - TABLE.IND
************************            

380001  05
380002  10
380003  15
380004  20
380005  25

************************
OUTPUT FILE - BILL.RPT
************************            

0001  380001  100000  05  005000
0002  380002  100000  10  010000
0003  380003  100000  15  015000
0004  380004  100000  20  020000
0005  380005  100000  25  025000

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