WebMar 13, 2024 · 好的，我可以回答这个问题。以下是一个嵌套两层if判断的shell脚本，每层包含elif多分支判断的示例： ``` #!/bin/bash if [ $1 -gt 10 ] then echo "The number is greater than 10" elif [ $1 -eq 10 ] then echo "The number is equal to 10" else echo "The number is less than 10" if [ $1 -gt 5 ] then echo "But it is greater than 5" elif [ $1 -eq 5 ] then echo "And it ... WebShell 是什么？. Shell 是一个命令解释权，它为用户提供了一个向 Linux 内核发送请求以便运行程序界面系统级程序，用户可以用 Shell 来启动、挂起、停止甚至是编写一些程序。. Shell 编程快速入门. 进入 Linux 终端，编写一个 Shell 脚本 hello.sh ：. #!/bin/bash echo 'hello ...

Linux Shell中的$#、$@、$0 - 腾讯云开发者社区-腾讯云

WebRecent reports that Shell plans to repatriate more than $1 billion in ruble earnings has led to the latest leg down in the Russian currency, pushing it past a psychologically important level of 80 ... WebShell wins tender to provide electric vehicle charging at 415 HDB carparks. Shell has secured the right to install up to 4847 alternate current (AC) charging points at 415 … how to make hard fuel lines

Shell特殊变量：Shell $0, $#, $*, $@, $?, $$和命令行参数 - davygeek …

WebTo provide more context, the zero-based budgeting program was first established in 2015 by Shell's CEO at the time, Ben van Beurden. The program aimed to reduce costs and improve profitability by scrutinizing every expense and eliminating waste. The program was also intended to promote a culture of cost consciousness throughout the organization. WebGet the latest Shell PLC (SHELL) real-time quote, historical performance, charts, and other financial information to help you make more informed trading and investment decisions. WebFeb 27, 2015 · $0 gives you the current shell. For example: I have bash as my default shell, which I use for my Terminal App. But for my iTerm2 app, I use the command as the … msn weather windows 10