bash script: wget site with relative path

sh

#!/bin/bash


# credit for catching error:
# https://unix.stackexchange.com/questions/423401/show-error-message-if-bash-script-terminates-due-to-set-e
set -e

err_report() {
    echo "Error on line $1"
}

trap 'err_report $LINENO' ERR



URL="some_site/$1"
echo $URL
wget "${URL}"