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Just realized I can just use "..." to go back two directories! Is this a zsh feature? (lemmy.ca)

submitted 1 year ago by catastrophicblues@lemmy.ca to c/programming@beehaw.org

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I accidentally discovered that both "cd ..." and "..." work, and moreover, I can add more dots to go back further! I'm using zsh on iTerm2 on macOS. I'm pretty sure this isn't a cd feature. Is this specific to zsh or iTerm2? Are there other cool features I just never knew existed??

I'm so excited about an extra dot right now.

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[–] Knusper@feddit.de 25 points 1 year ago (1 children)

That's definitely not standard. Maybe your distro or shell has this configured that way. The actual standard thing is that each directory has entries for . and .., as you can see in ls -a.

[–] catastrophicblues@lemmy.ca 6 points 1 year ago (2 children)

Yup, that's what I've always understood. Seems like this is zsh-specific, since using the default Terminal app with zsh also works. Do you know if other shells (fish, csh, etc.) support this syntactic sugar? Anything else zsh has that I should know?

[–] Knusper@feddit.de 8 points 1 year ago (1 children)

Well, I'm a fish guy, so there's two things I can tell you:

fish does not support this particular syntactic sugar.
You can get fish-like autosuggestions in zsh via this: https://github.com/zsh-users/zsh-autosuggestions

[–] 0x4E4F@infosec.pub 2 points 1 year ago

Though I use fish as well, this is some good info 👍.

[–] phundrak@programming.dev 2 points 1 year ago

Eshell, the Emacs shell, supports this feature out of the box, regardless of the OS it runs on.