Read statements - relative files, COBOL Programming

Assignment Help:

READ STATEMENTS:

The common format for the read statements is as shown bellow.

Format 1:

READ file-name RECORD [ INTO   identifier ]

[  ;  AT   END     imperative-statements  ] 

Format 2:

READ   file-name RECORD   [  INTO   identifier ]

[ ;  INVALID   KEY   imperative-statement  ]        

Format 3:

READ   file-name   [ NEXT  ]   RECORD  [  INTO   identifier  ]

[   ;   AT   END   imperative-statements   ]

As usual, the READ statement reads a record of a file. The file should be open in either the input or I-O mode. 

 


Related Discussions:- Read statements - relative files

Label records or disk directory - file characteristics, Label Records / Dis...

Label Records / Disk Directory: The most important information stored in the header label is what is termed as the file title. In the situation of magnetic-disk files the labe

Rules of redefines clause, RULES OF REDEFINES CLAUSE The rules shown be...

RULES OF REDEFINES CLAUSE The rules shown below govern the use of the REDEFINES clause: (i) The level-number of data-name-1 and data-name-2 should be identical. (ii) Exce

What are name the divisions in a cobol program, Name the divisions in a COB...

Name the divisions in a COBOL program are given below DENTIFICATION DIVISION DATA DIVISION ENVIRONMENT DIVISION PROCEDURE DIVISION.

File description for the relative and indexed files, File Description for t...

File Description for the Relative and Indexed Files: The FD entry for a relative or an indexed file is similar to that of a sequential file. Some compilers do not permit varia

Introduction to cobol, Introduction to COBOL: In the year 1959, a new ...

Introduction to COBOL: In the year 1959, a new language named the COBOL ( CO mmon B usiness O riented L anguage) was introduced remembering the business purpose application

Example of file-control, Example of File-control: The assign clause as...

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 devic

Program for perform - until, PROGRAM FOR PERFORM ...UNTIL We have to w...

PROGRAM FOR PERFORM ...UNTIL We have to write a program to find the sum of "n" natural numbers. Identification division. Program- id. PerfUntil. Environment division.

Read statement, READ STATEMENT: The aim of this verb is to make availa...

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

Read statement, READ STATEMENT: The aim of this verb is to make availa...

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

Slash insertion - edit characters for numeric data, / (Slash Insertion): ...

/ (Slash Insertion): The edit character slash (/) also termed as virgule or stroke, may appear anyplace in the picture. When used, it will be inserted. More than one slash can

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