#!/bin/bash
mv /var/www/html/lastheard.log /var/www/html/lastheard.log.save
/usr/bin/tail -550 /var/www/html/lastheard.log.save > /var/www/html/lastheard.log
mv /var/www/html/lastheard.log /var/www/html/lastheard.log.save
/usr/bin/tail -550 /var/www/html/lastheard.log.save > /var/www/html/lastheard.log