Tips for using tput in shell scripts (Tput control cursor position)

Knowledge Points:

1) Sleep: Used to implement the delay function in the script, sleep N, delay n seconds

2) Tput: Change the terminal display characteristics, common usage is as follows:

Tput lines: Displays the number of lines of the terminal

Tput cols: Displays the number of columns of the terminal

Tput Cup Line_number collum_number: Position cursor to Line_number row, collum_number column location

Tput setb N: where n is 0-7 digits, set the terminal's background color

Tput setf N: where n is 0-7 digits, sets the foreground color of the terminal, that is, the color of the font

Tput SC: Where to save the cursor

Tput RC: Restores the cursor to the last saved position

Tput Ed: Clears everything from the cursor position to the end of the screen

Tput Smul: Set underline

Tput Rmul: Remove underline

Tput Bold: Set Text style to bold

================== Gorgeous split-line ====================

The following script is used to implement the function of counter, display the number of seconds in the terminal, count by seconds, count to 10 seconds

==================================================

#!/bin/bash

# Script Name:sleep.sh

# DATE:12/16 2016

# Author:david

# Mail: [email protected]

# version:1.0

# description:used for sleep some time when execute the commands

Echo-n "Count:"

Tput SC

Retval=0

Count=0

While True

Do

If [$count-lt 10]

Then

Let count++

Sleep 1

Tput RC

Tput Ed

Echo-n $count

Else

Echo

Exit $RETVAL

Fi

Done

This article is from the "Davidlee's Linux Road" blog, so be sure to keep this source http://davidlinux.blog.51cto.com/5965954/1883418

Tips for using tput in shell scripts (Tput control cursor position)