#!/bin/sh
# requires https://metacpan.org/pod/Regexp::Common::URI
open() {
    echo "$1" | xsel -ib
    exec setsid -f xdg-open "$1"
}

{ [ -f "$1" ] || [ -d "$1" ] ;} && open "$1"

url="$(echo "$1" | perl -M'Regexp::Common=URI' -ne 'if (/($RE{URI})/) {print $1; exit}')"
[ -n "$url" ] && open "$url"

notify-send -t 2000 -u critical st-plumber "Selection is not a valid file or url!"