shell:How to Prompt for User Input in Linux shell script

How to Prompt for User Input in Linux shell script

Written by Rahul, Updated on November 5, 2014

from here:

How to Prompt for User Input in Linux shell script - TecAdmin

 Bash Shell, Linux Commands bash, read, script 

Command:

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# read var

# read -s “Waiting for input: ” var

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Uses:

read command is used for getting user input in a Linux shell script. -pswitch with read command is used for showing some helpful text on-screen. Create a shell script named input.sh and add following content.

#!/bin/bash

read -p "Enter Your Name: "  username
echo "Welcome $username!"

Lets execute the shell script

# sh input.sh

Enter Your Name: Rahul
Welcome Rahul!

Input Password in Shell Script

If you want to take input of password in shell script. You must want to not to show any character on-screen entered by user. Use -s for silent mode. Using -s input characters are not echoed.

#!/bin/bash

read -s -p "Enter Password: " pswd
echo $pswd