Linux Shell Script Instance----------

Linux Shell Basics

1. Terminal printing

#!/bin/bash#The printf of Linux termnal,Include "echo,printf"#author by woon echo "The shell\`s name is $0"#examples of echo,printf#默认打印。输出换行echo "Hello World!" echo ‘Hello World!‘#echo -n参数接受不换行输出echo -n "Hello World"echo "Hello World"#-e参数接受双引号内字符串的转移列表echo "Hello\tWorld!"echo -e "Hello\tWorld!"#printf使用文本或由空格分割的参数，可指定输出的宽度、对其方式等，可以格式化输出，默认情况下，printf不输出换行printf "%-5s %-10s %-4s\n" No. NAME Markprintf "%-5s %-10s %-4s\n" 1 Lee 80printf "%-5s %-10s %-4.2f\n" 2 Woon 90.456printf "%-5s %-10s %-4.2f\n" 3 James 85.654321printf "%-5s %-10s %-5.3f\n" 4 Jeff 85.123789

2. Play Change Amount

Linux Shell Script Instance----------