/var/log/squid/*.log {
    weekly
    rotate 5
    compress
    delaycompress
    notifempty
    missingok
    nocreate
    sharedscripts
    postrotate
      # Asks squid to reopen its logs. (logfile_rotate 0 is set in squid.conf)
      # errors redirected to make it silent if squid is not running
      /usr/sbin/squid -k rotate 2>/dev/null
    endscript
}
