zshでpathの重複を除外する

https://tech.serhatteker.com/post/2019-12/remove-duplicates-in-path-zsh/

typeset -U path

That’s all.

As you can imagine -U stands for ‘unique’. From doc:

-U     For  arrays  (but not for associative arrays), keep only the
       first occurrence of each duplicated value.  This may also be
       set for colon-separated special parameters like PATH or FIG‐
       NORE, etc.  This flag has a different meaning when used with

Btw. just care it is not -u. This flag just converts the content to uppercase.