October 2024
Beginner to intermediate
698 pages
16h 7m
English
Content preview from The Ultimate Linux Shell Scripting Guide
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17
Using Shell Script Options with getops
Often, an administrator will need to pass both arguments and options to a shell script. That’s easily done by passing positional parameters to the script, as we’ve seen in previous chapters. But, if you need to use normal Linux/Unix-style option switches, and you need to use arguments for certain options, then you’ll need a helper program. In this chapter, I’ll show you how to use getops to pass options, arguments, and options with arguments to a script.
Topics in this chapter include:
- Understanding the need for
getopts - Understanding
getoptversusgetopts - Using
getopts - Looking at real-world examples
So, if you’re ready, let’s dig in.
Technical Requirements
You can use either your Fedora or your Debian ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.