#!/usr/bin/env bash

urlencode() {
    local LANG=C
    for ((i=0;i<${#1};i++)); do
        if [[ ${1:$i:1} =~ ^[a-zA-Z0-9\.\~\_\-]$ ]]; then
            printf "${1:$i:1}"
        else
            printf '%%%02X' "'${1:$i:1}"
        fi
    done
}

query=$(urlencode "$*")
echo "Opening https://duckduckgo.com/?q=$query"
open "https://duckduckgo.com/?q=$query"