#!/usr/bin/env bash

q="$*"
[ -z "$q" ] && q="$(cat)"

# encode espace → +
q="${q// /+}"

ua="Mozilla/5.0"

curl -s -A "$ua" "https://www.google.com/search?q=$q&hl=en" \
| grep -oP '(?<=<a href="/url\?q=)[^&]+' \
| sed 's/%25/%/g' \
| head -n 5