#!/bin/bash USER_PATTERN="loadtest" PASSWORD_PATTERN="password_" COUNT=$1 function curl_command { index=$1 username=$USER_PATTERN$index password=$PASSWORD_PATTERN$index curl -sIL -X POST \ --data "username=$username&password=$password" \ --cookie 'XSRF-TOKEN: blablabla' \ --header 'X-Requested-With: XMLHttpRequest' \ --header 'X-XSRF-TOKEN: blablabla' \ http://localhost:3333/login |\ grep 'HTTP' |\ tail -1 } for index in $(seq $COUNT); do curl_command $index & sleep 1 done wait