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Lab03-08. We can erase data elements from a random file because the connected stream in memory is in fact an array. We erase a data item by shifting the rest of the items one position toward the beginning of the stream. However, shifting creates a duplicate data item at the end. In an array, we reduce the size to avoid using that duplicate. In the case of a stream, we must change the last element to a dummy. We know that a file of characters can be accessed randomly because the size of a character is fixed. Assume that you have the following file of characters: ABCDEFGHIJKLMNOPQRSTUVWXYZ

Lab03-08. We can erase data elements from a random file because the connected stream in memory is in fact an array. We erase a data item by shifting the rest of the items one position toward the beginning of the stream. However, shifting creates a duplicate data item at the end. In an array, we reduce the size to avoid using that duplicate. In the case of a stream, we must change the last element to a dummy. We know that a file of characters can be accessed randomly because the size of a character is fixed. Assume that you have the following file of characters: ABCDEFGHIJKLMNOPQRSTUVWXYZ

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Lab03-08. We can erase data elements from a random file because the connected stream in memory is in fact an array. We erase a data item by shifting the rest of the items one position toward the beginning of the stream. However, shifting creates a duplicate data item at the end. In an array, we reduce the size to avoid using that duplicate. In the case of a stream, we must change the last element to a dummy. We know that a file of characters can be accessed randomly because the size of a character is fixed. Assume that you have the following file of characters: ABCDEFGHIJKLMNOPQRSTUVWXYZ Write a program that erases any character in the file given its position (0 to 25). Remember to change the duplicate character in the end to a null character.
Transcribed Image Text:Lab03-08. We can erase data elements from a random file because the connected stream in memory is in fact an array. We erase a data item by shifting the rest of the items one position toward the beginning of the stream. However, shifting creates a duplicate data item at the end. In an array, we reduce the size to avoid using that duplicate. In the case of a stream, we must change the last element to a dummy. We know that a file of characters can be accessed randomly because the size of a character is fixed. Assume that you have the following file of characters: ABCDEFGHIJKLMNOPQRSTUVWXYZ Write a program that erases any character in the file given its position (0 to 25). Remember to change the duplicate character in the end to a null character.
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