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Oct 15, 2024

PATH tips wizardzines.com/comics/path-ti…

$panel 1: add a directory to your PATH at the end: export PATH=$PATH:/my/dir at the beginning: export PATH=/my/dir/:$PATH in fish: set -e PATH $PATH /my/dir panel 2: you shell's config file bash: .bashrc or .bash_profile (exactly which one is a bit of a rabbit hole sadly) zsh: ~/.zshrc fish: ~/.config/fish/config.fish panel 3: show what your shell is actually going to do when you run the program type python3 instead of running what's in PATH, sometimes it'll run a builtin or alias or cached entry panel 4: show the first match on your PATH for a program which python3 panel 5: show ALL matches on your PATH for a program, in order which -a python3 panel 6: look at your PATH echo $PATH panel 7: show each entry on its own line echo $PATH | tr ':' '\n' panel 8: clear the PATH cache (bash/zsh) hash -r why you might need to do this: bash and zsh cache PATH lookups, so sometimes updating your PATH doesn't work properly$

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