this post was submitted on 31 Aug 2024
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tee isn't exactly the opposite of cat but I can't remember a command that only redirects screen output to a file.
What is up, tee?
edit: what's the opposite of "cd .."?
cat is for concatenating files, so the opposite would be something that breaks a stream up into multiple files.
So, split.
Edit: although there's also tac, which could fit the bill as well.
Oh, you use Arch?
Heh, no, but they do have a nice set of man pages and other documentation online. I prefer NixOS. Easier keeping track of configuration, easier rolling back of (and experimentation with) new stuff.
Hah, forgot about tac
I mean... it's nice that it exists and all, but I can't really think of many useful usecases.
I think I only ever used it in an intro to shell scripting where we (almost) recreated the function of tail
Something like
tac | head | tac, I guess? Yes, that's a valid use case indeed :)tacis a real command and does exactly what you think it isHow about tac which prints lines but last to first.
It prints to stdout. I’d say the opposite is read, which reads from stdin.
Hmm, maybe pwd?
pwd Print Working Directory
There’s pushd where the opposite is clearly popd.