Example of file-control, COBOL Programming

Assignment Help:

Example of File-control:

The assign clause assigns a specific physical peripheral device name to a file. The physical peripheral device are machine-dependent. We use the device names READER, TAPE, PRINTER and DISK to mean line printer, card reader, magnetic tape and magnetic disk device respectively.

  An illustration of the FILE-CONTROL paragraph is shown below.

FILE-CONTROL.

        SELECT CARD-DESIGN ASSIGN TO READER

        SELECT PRINTER-FILE ASSIGN TO PRINTER.

This paragraph represents that there are 2 files - CARD-DESIGN & PRINTER-FILE.  The file named CARD-DESIGN is a card file whereas the other is a report file to be printed on the line printer.

 


Related Discussions:- Example of file-control

Data names and identifiers - cobol program, Data Names and Identifiers:   ...

Data Names and Identifiers:   The Data name provides reference to the storage space in the memory where the real value is stored. This value takes part in the operation whene

Record description for the variable-length records, Record Description for ...

Record Description for the Variable-length Records: When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 f

Program for output file that can be our vsam file, We have input file, reco...

We have input file, record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input f

Abbreviation of compound condition, Abbreviation: The Consecutive rela...

Abbreviation: The Consecutive relational conditions in a compound condition can be abbreviated in many cases as shown: (i) When the subjects in the consecutive relational c

On size error option, ON SIZE ERROR OPTION:   If after an arithmetic ...

ON SIZE ERROR OPTION:   If after an arithmetic expression, the result exceeds the highest value which can be accommodated in the result; this error is termed as size error. T

Program for screen section with files, PROGRAM FOR SCREEN SECTION WITH FILE...

PROGRAM FOR SCREEN SECTION WITH FILES: identification division.   program- id.   environment division.          input-output section.   file-control.     select

Declarative and file status clause, DECLARATIVE and FILE STATUS Clause: ...

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

Start statement - indexed files, START STATEMENT: The START statement ...

START STATEMENT: The START statement places the files to the initial logical record whose record key satisfies the condition specified by the KEY phrase. The access mode shoul

Statements for sequential files , STATEMENTS FOR SEQUENTIAL FILES: A b...

STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the

Structure of a cobol program, Structure of a COBOL Program: Every COBO...

Structure of a COBOL Program: Every COBOL program should have the 4 divisions in the order in which they are specified below: 1. Identification division 2. Environment D

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