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COBOL program to Demonstrates how to insert records into a sequential file from a file of transaction records

Demonstrates how to insert records into a sequential file from a file of transaction records. A new file is created which contains the inserted records.To test this program you will need to download Student Masterfile - Students.Dat and the Transaction file Transins.dat.

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Sequential Files Condition Names (level 88's) READ WRITE COBOL Example COBOL Sample Program

COBOL example program that reads a sequential file and displays the records

An example program that reads a sequential file and displays the records. This version does not use level 88's to signal when the end of the file has been reached. To test the program download thistestdata file.

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Sequential Files READ OPEN CLOSE File Description (FD) SELECT..ASSIGN COBOL Sample Program COBOL Example Program

COBOL Example program demonstrating how to create a sequential file from data input by the user

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Sequential Files WRITE OPEN CLOSE File Description (FD) SELECT..ASSIGN COBOL Example COBOL Sample Program

COBOL Program Demonstrates how the PERFORM..VARYING and the PERFORM..VARYING..AFTER (fourth format)

Demonstrates how the PERFORM..VARYING and the PERFORM..VARYING..AFTER (fourth format) may be used to simulate a mileage counter.

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PERFORM..VARYING..AFTER DISPLAY

COBOL Program Demonstrates how the PERFORM..VARYING and the PERFORM..VARYING..AFTER

Demonstrates how the PERFORM..VARYING and the PERFORM..VARYING..AFTER (fourth format) may be used for counting iteration. Also introduces the WITH TEST BEFORE and WITH TEST AFTER phrases.

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COBOL Program Demonstrates how the PERFORM..VARYING the PERFORM..VARYING..AFTER

COBOL Program Demonstrates how the PERFORM..UNTIL

Demonstrates how the PERFORM..UNTIL (third format) may be used to process a stream of values where the length of the stream cannot be determined in advance (although in this case there is a set maximum number of values in the stream).

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COBOL Program Demonstrates how the PERFORM..UNTIL

COBOL Program Demonstrates the second format of the PERFORM with example

Demonstrates the second format of the PERFORM. The PERFORM..TIMES may be used to execute a block of code x number of times.

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COBOL Program Demonstrates the second format of the PERFORM with example COBOL Program

COBOL example program demonstrating how the first format of the PERFORM may be used to change the flow of control through a program.

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COBOL example program demonstrating flow of control through a program

COBOL Program An example program demonstrating the use of Condition Names (level 88's).

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Condition Names in Cobol program Cobol program examples Cobol programs sample

COBOL Example program that implements a primative calculator. The calculator only does additions and multiplications.

An example program that implements a primitive calculator. The calculator only does additions and multiplications.

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COBOL Example program that implements a primative calculator primative calculato in COBOL

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COBOL program to Demonstrates how to insert records into a sequential file from a file of transaction records

COBOL example program that reads a sequential file and displays the records

COBOL Example program demonstrating how to create a sequential file from data input by the user

COBOL Program Demonstrates how the PERFORM..VARYING and the PERFORM..VARYING..AFTER (fourth format)

COBOL Program Demonstrates how the PERFORM..VARYING and the PERFORM..VARYING..AFTER

COBOL Program Demonstrates how the PERFORM..UNTIL

COBOL Program Demonstrates the second format of the PERFORM with example

COBOL example program demonstrating how the first format of the PERFORM may be used to change the flow of control through a program.

COBOL Program An example program demonstrating the use of Condition Names (level 88's).

COBOL Example program that implements a primative calculator. The calculator only does additions and multiplications.

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