16.13 Programming Exercises

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Exercise 16-1: Write a program that reads a file and counts the number of lines in it.

Exercise 16-2: Write a program to copy a file, expanding all tabs to multiple spaces. (For historical reasons ”the Teletype again ”almost all text files use a tab setting of 8 characters .)

Exercise 16-3: Write a program that reads a file containing a list of numbers and writes two files, one containing all the numbers divisible by 3 and another containing all the other numbers .

Exercise 16-4: Write a program that reads an ASCII file containing a list of numbers and writes a binary file containing the same list. Write a program that goes the other way so you can check your work.

Exercise 16-5: Write a program that copies a file and removes all characters with the high bit set ( ((ch & 0x80) != 0) ).

Exercise 16-6: Design a file format to store a person's name , address, and other information. Write a program to read this file and produce a file containing a set of mailing labels.

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