用 read 指令,编写一个 script ,他可以让使用者输入:1. first name 与 2. last name, 最后并且在屏幕上显示:“Your full name is: ”的内容:[dmtsai@study bin]$ vim showname.sh #!/bin/bash # Program: # User inputs his first name and last name. Program shows his full name. # ...
shell script是利用shell 的功能所写的一个“程序(program)”,这个程序是使用纯文本文件,将一些shell的语法与指令(含外部指令)写在里面,搭配正则表达式、管线命令与数据流重导向等功能,以达到我们所想要的处理目的。 就像是早期DOS年代的批处理文件(.bat),最简单的功能就是将许多指令汇整写在一起,不需要编译即可执...
If you can enter commands into the shell, you can write shell scripts (also known as Bourne shell scripts). A shell script is a series of commands written in a ...
Shell script是利用shell的功能所写的一个“程序”,这个程序是是使用纯文本文件,将一些shell的语法与命令(含外部命令)写在里面,搭配正则表达式,管道命令与数据流重定向等功能,以达到我们所想要的处理目的。 二.shell编写注意事项: 1.命令的执行是从上而下,从左而右地分析执行; 2.命令,参数间的多个空白都会被忽略...
echo $USER 一般是root $EUID 有效用户ID echo $EUID $EUID不一定与$UID相同 $FUNCTION 在函数中,可直接打印当前函数的名字 $GROUP 当前用户所属的组 echo $GROUP 一个组ID列表 $HOSTNAME 当前主机名字 echo $HOSTNAME $HOSTTYPE 当前主机类型 echo $HOSTTYPE ...
If it is provided by user input, how can you ensure the user doesn't "break" your logic? Which arguments are acceptable or mandatory foryourscript? What do you want to do if the arguments are invalid? The script could throw an error or perhaps use default values. ...
SCRIPT> </HEAD> <BODY> <H1>Start...</H1> <INPUT type="button" value="Edit Taskbar Properties" onclick="fnStart(9)"><br> <INPUT type="button" value="Open Favorites Folder" onclick="fnStart(8)"><br> <INPUT type="button" value="Browse Program Files" onclick="fnStart(7)"><br>...
Getting user input So far you've seen how to write scripts that interact with data, variables, and files on the Linux system. Sometimes, you need to write a script that has to interact with the person running the script. The bash shell provides a few different methods for retrieving data...
#use what we learned in a script. #Let's get some information from the user and add it to our scripts with stanard input and read echo "What is your name? " read name #Here standard output directed to append a file to learnToScirptStandardOutput ...
1)撰写一个 script ,完成让使用者输入:1. first name 与 2. last name,最后幵且在屏幕上显 示:Your full name is: 的内容。 1#!/bin/bash2#Program:3# User inputs his first name and last name. Program shows his full name.4read -p"Please input your first name:"firstname5read -p"Please...