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 ...
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 ...
Awk does a lot more than select a column from a file or an input stream. It can select columns from selected rows. It can calculate totals, extract substrings, reverse the order of fields and provide ...
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