Chapter 10. Reading and Printing Data
In this chapter you'll learn how to read data from the terminal or from a file using the
read command and how to print formatted data to standard output using the
The general format of the
read command is
When this command is executed, the shell reads a line from standard input and assigns the first word read to the first variable listed in variables, the second word read to the second variable, and so on. If there are more words on the line than there are variables listed, the excess words get assigned to the last variable. So for example, the command
read x y
reads a line from standard input, storing the ...