
Tips on Unix utilities and related topics from @JohnDCook.
Joined August 2011
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Replying to @AlgebraFact
If you stick two squares on the longer side of a silver rectangle, you get another silver rectangle.
Set intersection and difference at the command line
johndcook.com/blog/2026/03/2…
Evil Mode: Or, How I Learned to Stop Worrying and Love Emacs youtu.be/JWD1Fpdd4Pc
Doing a database join with CSV files
johndcook.com/blog/2019/12/3…
Have you ever wished your bash script could print out a snake, a flying saucer, or a nose? Of course you have. Who hasn't? Well, now you can. These symbols have been included in Unicode 17.0.
The day Return became Enter
aresluna.org/the-day-return-…
DITAA is a programming language for creating diagrams.
The source code is an ASCII art version of the output.
johndcook.com/blog/2016/06/1…













