Mastering Go - Second Edition

Reading from standard input

The reading of data from the standard input will be illustrated in stdIN.go, which you will see in two parts. The first part is as follows:

package main 
 
import ( 
    "bufio" 
    "fmt" 
    "os" 
) 

In the preceding code, you can see the use of the bufio package for the first time in this book.

You will learn more about the bufio package in Chapter 8, Telling a UNIX System What to Do.

Although the bufio package is mostly used for file input and output, you will keep seeing the os package all the time in this book because it contains many handy functions; its most common functionality is that it provides a way to access the command-line arguments of a Go program (os.Args).

The official description of the os package tells us ...