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

Floating insertion - , Floating Insertion   The currency symbol ($) c...

Floating Insertion   The currency symbol ($) can emerge in multiples on the left-hand side of the picture. In this situation the character will be treated in similar way as t

Handling file that was uploaded from a PC, I uploaded a file from PC to Mai...

I uploaded a file from PC to Mainframe, variable LRCL 256. In my COBOL program I defined it as FD INPUT-FILE LABEL RECORDS ARE OMITTED BLOCK CONTAINS 0 RECORDING MODE

Example of condition names, Example of condition names: The illustrati...

Example of condition names: The illustration below is of the use of the condition names  77  MARITAL-STATUS     PIC    9   88  SINGLE    VALUE    IS     ZERO   88  MA

Rules for apply for the condition name, Rules for apply for the condition n...

Rules for apply for the condition name: The rules below apply for the condition name. (i) The Condition names should be explained at level 88. The level number starts in ma

Level numbers - cobol programming, LEVEL NUMBERS: The COBOL makes use ...

LEVEL NUMBERS: The COBOL makes use of the level number concept to explain the hierarchical data structure. A level number is a 2 digit number. The permitted level numbers a

Close statement, CLOSE STATEMENT: When the processing of a file is com...

CLOSE STATEMENT: When the processing of a file is completed, then the file may be closed. This is completed with the help of the CLOSE-verb. The form of the CLOSE statement is

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

Restrictions - procedure in statement, There are some restrictions when the...

There are some restrictions when these procedures are used. (i) The Procedure should not contain any SORT/MERGE statement. (ii) An explicit transfer of the control outside

Sign condition - cobol programming, SIGN CONDITION:   The sign condit...

SIGN CONDITION:   The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identif

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