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Why doesn’t the following pseudocode module work as indicated in the comments? // The readFile method accepts a string containing a filename as // an argument. It reads and displays all the items in the file. Module readFile(String filename) // Declare an input file. Declare InputFile file // A variable to hold an item that is read from the file. Declare String item // Open the file using the filename. Open file filename // Read all the items in the file and display them. While eof(file) Read file item Display item End While End Module

Why doesn’t the following pseudocode module work as indicated in the comments? // The readFile method accepts a string containing a filename as // an argument. It reads and displays all the items in the file. Module readFile(String filename) // Declare an input file. Declare InputFile file // A variable to hold an item that is read from the file. Declare String item // Open the file using the filename. Open file filename // Read all the items in the file and display them. While eof(file) Read file item Display item End While End Module

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Why doesn’t the following pseudocode module work as indicated in the comments?

// The readFile method accepts a string containing a filename as

// an argument. It reads and displays all the items in the file.

 

Module readFile(String filename)

   // Declare an input file.

   Declare InputFile file

 

   // A variable to hold an item that is read from the file.

   Declare String item

 

   // Open the file using the filename.

   Open file filename

 

   // Read all the items in the file and display them.

   While eof(file)

       Read file item

       Display item

   End While

End Module

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