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PROGRAM TO DEMONSTRATE SORT VERB:
The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order of the Account Number.
identification division.
program- id.
environment division.
input-output section.
file-control.
select o1- file assign to disk
organization is line sequential.
select s1-file assign to disk
select w- file assign to disk.
data division.
file section.
fd o1- file
label records are standard
value of file- id is "o1.dat".
01 o1-rec.
02 o1-acc-no pic 9(2).
02 o1-name pic x(4).
fd s1-file
value of file- id is "s1.dat".
01 s1-rec.
02 s1-acc-no pic 9(2).
02 s1-name pic x(4).
sd w-file.
01 w-rec.
02 w-acc-no pic 9(2).
02 w-name pic x(4).
procedure division.
p-1.
sort w-file on ascending key w-acc-no using o1-file
giving s1- file.
stop run.
Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST
Comparison of Nonnumeric Operands: A nonnumeric operand can be compared to the other nonnumeric operand according to the rules as shown below: (i) Fields of Equal Sizes:
PROGRAM FOR RENAMES CLAUSE: identification division. program- id. environment division. data division. working-storage section. 01 emp. 02 empdet.
Character Set: To study any language, first one should know the alphabets of the language and they are termed as character set in general. There are 50 different characters in
RENAMES CLAUSE: At times re-grouping of an elementary data items in a record may be essential so that they can belong to the original as well as to the latest group. This is o
INPUT-OUTPUT SECTION: This section holds information regarding the files to be used in the program. There are 2 paragraphs in this section- FILE-CONTROL & I-O-CONTROL. The
Comparison of the Numeric Operand with Nonnumeric Operand: The numeric operand can be compared to the nonnumeric operand subject to the restrictions which are as follows.
Illustration of perform statement: PERFORM CALCUALTE-TAX. In this illustration, the CALCULATE-TAX is either a section name or paragraph name. Assume that it is a section
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
Format for COBOL Programs: The COBOL is a high-level language. Therefore, a COBOL program can be executed on a computer for which a COBOL compiler exists. The compiler transla
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