Chapter 7: Problem 18
Describe the way that you use a temporary file in a program that deletes a record from a sequential file.
Chapter 7: Problem 18
Describe the way that you use a temporary file in a program that deletes a record from a sequential file.
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Get started for freeIn what mode do you open a file if you want to write data to it, but you do not want to erase the file's existing contents? When you write data to such a file, to what part of the file is the data written?
What does it mean when the readline method returns an empty string?
What is a file's read position? Initially, where is the read position when an input file is opened?
Write a short program that uses a for loop to write the numbers 1 through 10 to a file.
If a file already exists what happens to it if you try to open it as an output file (using the 'w' mode)?
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