Write a programs uses two input files and produces output using binary search on criteria fields.
IDENTIFICATION DIVISION. PROGRAM-ID. BinarySearch. 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 ASCENDING KEY IS TEMP-ZIPCODE INDEXED BY X1. 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'. 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. PERFORM VARYING X1 FROM 1 BY 1 UNTIL X1 > 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 (X1) MOVE TAX-RATE TO TEMP-TAX-RATE (X1). 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 ******************************************************* * SEARCH BLOCK USING CLAUSE SEARCH * * PERFORMS BINARY SEARCH * * THEREFORE WE NEED NOT TO SET INDEX VAR TO 1 * * (X1) * * BUT NEED TO SPECIFY ASCENDING OR * * DECENDING KEY * ******************************************************* * SET X1 TO 1 SEARCH ALL TABLE-ENTRIES AT END MOVE 0 TO OUT-C-TAX-RATE OUT-C-TAX WHEN C-ZIPCODE = TEMP-ZIPCODE (X1) MOVE TEMP-TAX-RATE (X1) TO OUT-C-TAX-RATE COMPUTE OUT-C-TAX = (OUT-C-SALE * OUT-C-TAX-RATE) /100 END-SEARCH WRITE BILL-REC FROM OUT-REC. *********************** INPUT FILE 1- TABLE.IND *********************** 380001 05 380002 10 380003 15 380004 20 380005 25 ********************* INPUT FILE 2- EMP.DAT ********************* 0001 380001 100000 0002 380002 100000 0003 380003 100000 0004 380004 100000 0005 380005 100000 ************************* OUTPUT FILE - BSEARCH.COB ************************* 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