Exercises

1. Visit the documentation page of the bufio package that can be found at https://golang.org/pkg/bufio/.
2. Visit the documentation of the io package at https://golang.org/pkg/io/.
3. Try to make wc.go faster.
4. Implement the functionality of tabSpace.go, but try to read your input text files character by character instead of line by line.
5. Change the code of tabSpace.go in order to be able to get the number of spaces that will replace a tab as a command-line argument.
6. Learn more information about the little endian and the big endian representations.