Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...
The first command we’ll examine in this post is a very unusual awk command that systematically removes every line in the file that is encountered more than once. It leaves the first instance of the ...
As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...
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6 Text Filtering Uses for the Linux awk Command
The awk command is a versatile text-processing tool in Linux. It filters and manipulates files using patterns, conditions, and actions. It supports a wide range of scenarios, making it straightforward ...
The awk command is incredibly useful, and you will be surprised at just how powerful and transformative it will make your scripts. Here’s how to get started using it. While I’m not a fan of ...
We aren’t doing the next generation of Linux and Unix admins any favors by forgetting init scripts and fundamental tools I happened across a post on Reddit by chance, asking about textfile ...
A Princeton professor, finding a little time for himself in the summer academic lull, emailed an old friend a couple months ago. Brian Kernighan said hello, asked how their friend’s US visit was going ...
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