#!/bin/bash
PHP_EXECUTABLE="/usr/local/php5518/bin/php"
SCRIPT_NAME="/home/opelkova/public_html2/Procesos/EnvioEmailAlertaSi.php"
if ps -fea | grep $SCRIPT_NAME | grep -v grep
then
    date
    echo "Overlaping message end"
else
   $PHP_EXECUTABLE $SCRIPT_NAME
fi