Open statement, COBOL Programming

Assignment Help:

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:

1847_open statement.png

 


Related Discussions:- Open statement

Point location - picture clause, Point Location: The position of the d...

Point Location: The position of the decimal point is the other characteristic which can be specified in the case of the numeric data items. If the position is not specified, t

Program for master file maintenance , PROGRAM FOR MASTER FILE MAINTENANCE: ...

PROGRAM FOR MASTER FILE MAINTENANCE: We have to write a program to keep the stu-file for which a record has just 2 fields,viz., rno(Roll Number) and name(Student Name). Give t

Literals - cobol program, Literals: The actual values can too appear i...

Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil

Examples - edit characters for numeric data, Examples - Edit characters for...

Examples - Edit characters for numeric data: The following illustration illustrates the use of Z editing characters. The character b is used to indicate the space character an

Configuration section - cobol program, Configuration Section: This sec...

Configuration Section: This section holds an overall specification of the computer used for the purpose of the compilation and execution of the program. There are in all 3 par

File-control entries for the sequential files, FILE-CONTROL ENTRIES FOR THE...

FILE-CONTROL ENTRIES FOR THE SEQUENTIAL FILES: The characteristics of each and every files handled in a program are specified in the ENVIRONMENT DIVISION and DATA DIVISION.

Arithmetic verbs, ARITHMETIC VERBS: Most of the problems need some com...

ARITHMETIC VERBS: Most of the problems need some computations to be performed on the input or intermediate data that are numeric in nature. The Arithmetic verbs are used to pe

File-control - input-output section, FILE-CONTROL: The FILE-CONTROL pa...

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

Program to demonstrate merge verb, PROGRAM TO DEMONSTRATE MERGE VERB: ...

PROGRAM TO DEMONSTRATE MERGE VERB: The two files for which a record having 2 fields viz. Account Number and Name are already available. Now Merge these two files and create a

.QUADRATIC EQN ROOTS, TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL P...

TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL PROGRAM

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd