Exercises

• Use the functionality of byCharacter.go, byLine.go, and byWord.go in order to create a simplified version of the wc(1) UNIX utility.
• Create a full version of the wc(1) UNIX utility, using the viper package to process command line options.
• Create a full version of the wc(1) UNIX utility, using commands instead of command line options, with the help of the cobra package.
• Go offers bufio.Scanner to read files line by line. Try to rewrite byLine.go using bufio.Scanner.
• The bufio.Scanner in Go is designed to read input line by line, splitting it into tokens. If you need to read a file character by character, a common approach is to use bufio.NewReader in conjunction with Read() or ReadRune(). Implement the functionality of byCharacter.go this way.
• Make ioFS.go a cobra project.
• Update the statistics application cobra project in order to also store the normalized version of the dataset in data.json.
• The byLine.go utility uses ReadString...