September 2023
Intermediate to advanced
240 pages
7h 40m
English
book
The AWK Programming Language, 2nd Edition
by Alfred V. Aho, Brian W. Kernighan, Peter J. Weinberger
Content preview from The AWK Programming Language, 2nd Edition
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9
Epilogue
By now you should be a reasonably adept Awk user, or at least no longer an awkward beginner. As you have studied the examples and written some code of your own, you may have wondered why Awk programs are the way they are, and perhaps wanted to make them better.
The first part of this chapter provides a little history, and discusses the strengths and weaknesses of Awk as a programming language. The second part explores the performance of Awk programs, and suggests some ways of reformulating problems that have become too large for a single program.
9.1 Awk as a Language
We began working on Awk in 1977. At that time the Unix programs that searched text files (grep and sed) only had regular expression patterns, and the only actions were ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.