Chapter 10: Problem 13

What is a file’s read position? Initially, where is the read position when an input file is opened?

Short Answer

Expert verified

Answer: When an input file is opened, the initial read position is set to the beginning of the file, i.e., the first byte or character. The read position can be manually reset or modified using programming techniques to start reading from a specific location within the file other than the default starting position.

Step by step solution

Definition of Read Position

The read position is the location or index in a file where the reading operation will begin. It acts as an indicator to know which byte or character in the file should be read next.

Initial Read Position

When an input file is opened, the initial read position is set to the beginning of the file, i.e., the first byte or character in the file. This means that, by default, the reading starts from the very beginning when a file is opened for reading purposes.

Update Read Position

As the file is being read, the read position updates automatically to the next byte or character in the file. This ensures that we continue reading from the last position and avoid re-reading the same data again.

Reset Read Position

If necessary, the read position can be manually reset or modified using programming techniques, enabling us to start reading from a specific location within the file other than the default starting position. This can be useful when we want to jump to a specific part of the file or reread some data.

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What is a file’s read position? Initially, where is the read position when an input file is opened?

Short Answer

Step by step solution

Definition of Read Position

Initial Read Position

Update Read Position

Reset Read Position

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