curl -s -o /dev/null -I -w "Http Code: %{http_code}\n" "http://mysite.com?[1-10]"
seq 1 10 | xargs -I % -n 1 -P 10 curl -s -o /dev/null -I -w "http: %{http_code}\n" "http://mysite.com"
seq 1 10 | xargs -I % sh -c "echo '%'"
curl -s -o /dev/null -I -w "Http Code: %{http_code}\n" "http://mysite.com?[1-10]"
seq 1 10 | xargs -I % -n 1 -P 10 curl -s -o /dev/null -I -w "http: %{http_code}\n" "http://mysite.com"
seq 1 10 | xargs -I % sh -c "echo '%'"