The getopts command returns true if an option is found, so a common optionprocessing paradigm uses a while loop with a case statement as in this example.
如果找到一个选项，则 getopts 命令返回 true，因此常见的选项处理范例使用带 case 语句的 while 循环，本例中就是如此。
2
If you choose the payroll processingoption, you get the application to connect in the background with another application to start payroll processing.
如果您选择了工资单处理选项，那么应用程序会在后台连接另一个应用程序来启动工资单处理。
3
Processing for domestic factories is our only option.