dotfiles/.config/zsh/31-deduplicate-path-variable

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# In case a plugin adds a redundant path entry, remove duplicate entries
# from PATH
#
# This snippet is from Mislav Marohnić <mislav.marohnic@gmail.com>'s
# dotfiles repo at https://github.com/mislav/dotfiles
dedupe_path() {
typeset -a paths result
paths=($path)
while [[ ${#paths} -gt 0 ]]; do
p="${paths[1]}"
shift paths
[[ -z ${paths[(r)$p]} ]] && result+="$p"
done
export PATH=${(j+:+)result}
}
dedupe_path