How The 'awk' Command Made Me A 10x Engineer
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Published 2020-12-11
A text-based version of this video with all commands can be found here:
blog.robertelder.org/intro-to-awk-command/?utm_sou…
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All Comments (21)
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the narrative that lead to the tutorial is so cute as it never happened.
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Many moons ago I helped maintain what we thought might be the largest awk script ever created - it converted between the proprietary FORTRAN code for compilers by our competitors into our own proprietary FORTRAN code. Of course, monthly, if not weekly, we'd find something it did not convert properly, and it would have to be changed. Not only was it possibly the largest awk script, but it was the most modified awk script...
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The awk command is now my favorite Linux command
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I used to use awk every day about 30 years ago. A nice walk down the memory lane with this video.
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Utilities like awk are one of the reasons I love Unix. Everything is in a text file and the OS gives you the tools to parse and manipulate the contents.
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I like how there was a narrative style to the video. That's really engaging. You've earned a sub!
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Thanks for sharing. Good luck with your 1% raise!
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'awk', 'sed', and 'Perl'. All I ever need for scraping from log-files!
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I enjoy using GREP and SED and I've been really wanting to learn how to use AWK. This video motivated me to do so, I'm gonna!! Also LOL, the end of the video made me laugh a lot. I love this!
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Wow.. I know awk well, but what a presentation. This is an underrated video. Keep it up dude.
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The solution to the original problem was a bit of overkill, but this was a good example for some teaching of base awk functionality. This is a more direct and shorter solution, only changing the F lines and printing all lines: $ awk '$2=="F" {$1=sprintf("%.1f",($1-32)/1.8); $2="C";} 1' temps.csv (the single "1" at the end is the condition, which evaluates as "true", evoking the default action: print -- nice shortcut if you mean only to change some lines but print all)
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so much content in just 10mins. amazing!
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Bro went from a 0x developer to a 0.5x dev
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Finally and after so many years, I understand how 'awk' works. Thank you, Legend
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This is video is great and demystified awk in a very easy to understand way
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Thank you for describing the pattern-matching and default assumptions so thoroughly and illustrating each point with example code. Until today have never seen any awk tutorial that could get me up to speed so quickly as your video. Kudos! Showing how awk can replace both the grep and sed commands was icing on your cake. And your last sentence was a big flaming torch sitting atop the cake!
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This is an amazingly instructive video. Thank you.
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I always thought awk was super hard to learn. 😭 Thanks for explaining it so well! 🙏
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@4:10 "As you see, awk is not quite this smart. And here you can see how awk isn't quite as good as a CSV parser. " In GNU awk set the built-in FPAT variable. In your example: FPAT = "([^,]+)|(\"[^\"]+\")"
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Amazing presentation! I've been avoiding Awk for close to a decade, so much so I default to Sed for this kind of tasks! After watching your video, I feel more confident to try Awk next time :) Thank you!
