Example of open statement, COBOL Programming

Assignment Help:

Example of Open statement:

Illustration:

The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER.

The illustration represents that there are two input files named the TRANSACTION and OLD-MASTER and one output file known as the NEW-MASTER.  All these files are opened and these are prepared for reading or writing.

Illustration:

OPEN INPUT MARK-FILE.

OPEN OUTPUT RESULT-FILE.

The first OPEN statement opens the MARK-FILE in the input mode and the file is ready for the reading.  The later statement makes the RESULT-FILE ready for the writing. There may be numerous OPEN statements in a program.

 


Related Discussions:- Example of open statement

Merge verb with output procedure, MERGE VERB WITH OUTPUT PROCEDURE: Li...

MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below:   The r

Rounded option, ROUNDED OPTION: Let us consider the DATA DIVISION entr...

ROUNDED OPTION: Let us consider the DATA DIVISION entries which are as shown below: Now, subsequent to the execution of the statement ADD A B GIVING C, the C will hold

File updation, FILE UPDATION: The method of modifying an old file with...

FILE UPDATION: The method of modifying an old file with present information is termed as file updating. Master file: A master file is a file which is used as an author

Procedure division statements for the relative files, PROCEDURE DIVISION st...

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

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

Relative files, RELATIVE FILES: The Files that are stored on a direct ...

RELATIVE FILES: The Files that are stored on a direct access storage medium like magnetic disk are frequently known as direct access files. The COBOL supports three different

Occurs clause - program, OCCURS CLAUSE - PROGRAM: We have to write a p...

OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen.  identification division.

Illustration of renames clause, Illustration of Renames clause: In the...

Illustration of Renames clause: In the illustration, PAT-OTHER-THAN-BASIC will become a fresh group consisting of DEARNESS-ALLOWANCE, HOUSE-RENT & MTHLY-INCENTIVE. Keep in min

File activity, File Activity: The file activity is a measure of the pr...

File Activity: The file activity is a measure of the proportion of records processed during an update run. Therefore we define the activity ration as shown below. Activi

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