shell script getopts multiple arguments

IntruductionShell scripts have two ways to locate script parameters, one is to use positional variables, and the second is to use getopts. There are two limitations to using positional parameters, and he needs the programmer to test the error

The key to using command-line arguments is that the shell script needs to interact with the person who is running the script.The bash shell provides command-line arguments to add data values after the command, command line options to modify the

From a programmer's point of view, the shell itself is a program written in C language, from the user's point of view, the shell is the user and the Linux operating system communication Bridge. Users can either enter command execution and use shell

Introduction to Linux Shell programming (1) From the programmer's perspective, Shell itself is a program written in C language. From the user's perspective, Shell is a bridge between the user and the Linux operating system. You can enter commands

From the programmer's perspective, shell itself is a program written in C language. From the user's perspective, shell is a bridge between the user and the Linux operating system. You can enter commands for execution and use shell script programming

From the programmer's point of view, the shell itself is a program written in C language, from the user's point of view, the shell is the user and the Linux operating system communication Bridge. The user can either enter command execution or use

Http://www.cnblogs.com/suyang/archive/2008/05/18/1201990.htmlFrom the programmer's point of view, the shell itself is a program written in C language, from the user's point of view, the shell is the user and the Linux operating system communication

From the programmer's point of view, the shell itself is a program written in C language, from the user's point of view, the shell is the user and the Linux operating system communication Bridge. The user can either enter command execution or use

Http://www.cnblogs.com/suyang/archive/2008/05/18/1201990.htmlFrom the programmer's point of view, the shell itself is a program written in C language, from the user's point of view, the shell is the user and the Linux operating system communication

From the programmer's point of view, the shell itself is a program written in C language, from the user's point of view, the shell is the user and the Linux operating system communication Bridge. The user can either enter command execution or use