Chapter 6: Problem 6
When writing a program that performs an operation on a file, what two file- associated names do you have to work with in your code?
Chapter 6: Problem 6
When writing a program that performs an operation on a file, what two file- associated names do you have to work with in your code?
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Get started for freeDescribe the way that you use a temporary file in a program that modifies a record in a sequential access file.
What type of exception does a program raise when it tries to open a nonexistent file?
Assume the file data.txt exists and contains several lines of text. Write a short program using the while loop that displays each line in the file.
If a file already exists, what happens to it if you try to open it as an output file (using the 'w' mode)?
What is the purpose of opening a file?
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