Use of the Shell's read

The read command is used to receive input from the keyboard's standard input and other files, and after the input is entered, the Read command places the data in a standard variable.

Example 1:

#!/bin/bash

Read-s-P "Enter you password:" Password #-s: does not display input,-P: In the Read command line refers to

echo "Hello,your password is $password" to set a hint

Example 2:

#!/bin/bash

Echo-n "Enter Your Name:"

Read name #从键盘输入

echo "hello! $name "

#!/bin/bash

Read-t 5-p "Enter Your Name:" Name #-t: Set time limit

echo "This is $name"

Example 3: Read line

#!/bin/bash

File=/etc/fstab

I=1

Cat $file | While read line

Do

Echo $i # # # $line

((i++))

Done

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Use of the Shell's read