Execution of shell scripts with Echo yongming

Script execution

1. Give execution permission to run directly

chmod 755 hello.sh

./hello.sh #需要使用文件的绝对路径或相对路径

2. Execute script via bash call

Echo Output command

Syntax: Echo [-e] [output CONTENT]

-E: Character conversions that support backslash control

EG1: Output Hello world!

echo ' Hello world! '

Attention:

If you want to output an exclamation point, the output must be enclosed in single quotes

EG2: Use the-e parameter, escape character

#删除左侧字符, Output AC

Echo-e "AB\BC"

#制表符与换行符

Echo-e "A\TB\TC\ND\TE\TF"

EG3: Specify color, output content

#输出红色字符的abcd

Echo-e "\e[1;31m ABCD \e[0m"

30m= Black 31m= red 32m= green 33m= Yellow

34m= Blue 35m= Magenta 36m= cyan 37m= White

Execution of shell scripts with Echo yongming