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SEARCH VERB:
The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of three fields, viz., the account number of a person, name of that and the amount that he has deposited. There are 400 such elements in the table and we want to find out whether a specific name is present in the table or not. The preferred name is given in the field is termed as NAME and if this name appears in an element of the table, we would like to show the name as well as the corresponding account number and amount. The DATA DIVISION entries for this trouble are as shown below:
The PROCEDURE DIVISION statements below can be a solution to the above problem.
In the above SEARCH statement, there are two sections- the AT END section and the WHEN section. If the condition NAME= NAME-OF-THE-PERSON (A1) is satisfied for some value the index name A1, the statement DISPLAY ACCOUNT-NUMBER (A1), NAM AMOUNT (A1) is executed. The AT END section is executed only when the whole table searched and the condition is not satisfied for any value of A1. The increment of A1 is take care by the SEARCH verb.
What is the difference b/w index and subscript? Subscript indicates to the array occurrence whereas index is the displacement (in no of bytes) from the beginning of the array.
Introduction to MOVE Verb: The aim of this section is to introduce the learner how to move data from one place to the other place in the memory. This is completed with the help
Illustration of Subtract verb: (a) SUBTRACT A FROM B. This illustration means that the value of A will be subtracted from the value of B and the subtracted result will be s
FILE-CONTROL: The FILE-CONTROL paragraph names each and every file and identifies the first medium through file control entries. The basic format of a file control entry is gi
Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and
calculate simple interest
program
FILE STATUS clause: This clause has been involved in the above syntax for completeness. The ORGANIZATION, REVERSE, ACCESS and STATUS clause can be specified in any order.
, (Comma) : A comma, whenever used in a picture, is considered as an insertion character and inserted wherever it become visible. There can be more than one comma in the pictu
DECLARATIVE and FILE STATUS Clause: The input-output exception condition in the situation of a direct access files can be handled by a declarative procedure in a manner simila
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