-rw-rw-r--. 1 zexcon zexcon 685 Oct 4 16:00 learnToScriptAllOutput -rw-rw-r--. 1 zexcon zexcon 23 Oct 4 12:42 learnToScriptInput -rw-rw-r--. 1 zexcon zexcon 0 Oct 4 16:42 learnToScriptOutput -rw-rw-r--. 1 zexcon zexcon 52 Oct 4 16:07 learnToScriptOutputError -...
read variable_name 其中,variable_name是你自定义的变量名,用于保存用户输入的值。读取用户输入后,可以通过该变量名来获取输入的内容。 以下是获取用户输入的完整示例代码: 代码语言:txt 复制 #!/bin/bash echo "Please enter your name: " read name echo "Hello, $name! How are you?" 在上述代码中,用户...
-rw-rw-r--. 1 zexcon zexcon 685 Oct 4 16:00 learnToScriptAllOutput -rw-rw-r--. 1 zexcon zexcon 23 Oct 4 12:42 learnToScriptInput -rw-rw-r--. 1 zexcon zexcon 0 Oct 4 16:42 learnToScriptOutput -rw-rw-r--. 1 zexcon zexcon 52 Oct 4 16:07 learnToScriptOutputError -...
#将 Shell 脚本作为程序运行 # 如果不写 ./,Linux 只会到系统路径(由 PATH 环境变量指定)下查找外部命令 chmod +x script.sh # 给脚本添加执行权限 ./script.sh # 运行脚本 #将 Shell 脚本作为参数传递给 Bash 解释器 bash script.sh # 这种方式将忽略脚本文件第一行的指定解释器信息 ...
Paste a shell script onhttps://www.shellcheck.netfor instant feedback. ShellCheck.netis always synchronized to the latest git commit, and is the easiest way to give ShellCheck a go. Tell your friends! From your terminal Runshellcheck yourscriptin your terminal for instant output, as seen above...
1.键盘读取:read [-pt] variable; -p:宁可以接提示符 eg: read -p "Please input your name" name; -t:接等待的秒数 eg: read -t 30 name。 2.变量的声明: declare [-aixr] variable -a:将后面变量声明为数组类型; -i:将变量声明为整型; ...
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管道命令必须要能够接收来自前一个命令的数据成为standard input继续处理才行。 十、变量(variable):命名的内存空间 变量命名规则: 1、只能包含字母、数字、下划线,并且首字母不能是数字(同大多数语言一致)2、不应该和系统的环境变量重名,除非你知道你在做什么3、约定:环境变量全部大写,自定义变量全部小写,最好能见...
then echo "" echo -e "THIS SCRIPT WILL EXPAND A CIDR ADDRESS.\n\nSYNOPSIS\n ./cidr-to-ip.sh [OPTION(only one)] [STRING/FILENAME]\nDESCRIPTION\n -h Displays this help screen\n -f Forces a check for network boundary when given a STRING(s)\n -i Will read from an Input file (...
The script uses the+=operator to join the strings. With this method, you can concatenate strings with only one variable. 15. Check if a Number is Even or Odd Odd and even numbers can be easily divided using theifstatement and some simple math. Create a file namedevenoddnumbers.sh: ...