Set --export

set --export --prepend PATH "/Users/user/.rd/bin"

Homebrew:

set --export --prepend PATH ~/brew/bin/

See also

• $PATH, fish_add_path
• Fish shell, fish_config, fish vi key bindings, set --export, Search as you type, Fisher, ~/.config/fish/config.fish, fish_add_path
• set, unset, set -o, set -x, set -e, set -E, set +b, set -u, $?, exit, return, trap, PostgreSQL SET