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This guy’s a real Upstart if you ask me
(thelemmy.club)
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this post was submitted on 27 Jul 2026
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That head/tail thing is kind of a goofy argument. For one thing they aren't duals;
tailis naturally more complex because the end of a file often changes and the application can optionally keep showing you the new output. Also, the fact that they're separate applications in the first place is arguably better than the a one-application approach, which would always require a command line switch to select between outputting the start or end of a file. And finally, while I guess this could vary between implementations ofheadandtail, mine has identical switches for all the common options.They could have been two commands that call a single parent command with different options. For example, imagine if
cathad an option-Nto restrict the number of lines that was printed, and also an option-tto start from the end.headwould just proxy tocat -Nand tail would proxy tocat -N -t. Combining the three into a single implementation reduces total LoC and opportunity for bugs. Also reduces total maintenance burden.I believe
busyboxis like this actually - a ton of Unix commands in a single package. It's used by Alpine Linux, a tiny and performance linux distro commonly used by docker containers.Busybox is literally just a bundle. That's its whole purpose. It doesn't reimplement anything.
Some quick research says that it is indeed a re-implementation. The first line of the wikipedia, says:
You can download the source code yourself to verify. And if you've actually used Alpine Linux before you would have also noticed that the commands provided by busybox have only a subset of the options provided by their GNU coreutils counterparts.
Please do your research before so confidently correcting other people.