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OPEN STATEMENT:
Whenever a READ or a WRITE operation is executed on a file, then it should be open. The opening of a file may be completed with the help of the OPEN verb. With the OPEN verb it should be also indicated whether the file must be opened as an input file or output file. If it is an input file, only the reading is possible, while in the case of an output file, only writing is possible. The file once opened remains open until it is closed by the CLOSE statement. The OPEN statement in its easiest form is as shown below:
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.
OCCURS - INDEXED BY PROGRAM: identification division. program- id. searching. environment division. data division. working-storage section. 01 table1. 0
PROGRAM FOR IF -ELSE: We have to write a program to check whether the given number is ODD or EVEN. You can use IF..ELSE. Identification division. Program- id. IfElse.
VALUE CLAUSE: The value clause defines the preliminary value of the data item. Normally initialization will be completed just before the first statement in the procedure di
Example of constructing an arithmetic expression: An arithmetic expression may be proceeded by a + or - sign. These operations are known as unary + or unary - operators. Il
PROCEDURE DIVISION statements for the relative files: The statements OPEN, CLOSE, READ, WRITE and REWRITE that are available for sequential files are also available for the re
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
When using the accept verb in cobol is it possible to assign something other then "SYSIN" for a ddname?
OPEN statement: We know that the processing of a file should start with the execution of an OPEN statement. The file can be opened in any one of the 4 open modes - INPUT, OUTP
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 thr
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