andreas@nsnx:~$ grep tweener /var/log/syslog|wc -l 21664 andreas@nsnx:~$ grep tweener /var/log/syslog.1|wc -l 51874 andreas@nsnx:~$
andreas@nsnx:~$ grep tweener /var/log/syslog|wc -l syslog. 1|wc -l
21664
andreas@nsnx:~$ grep tweener /var/log/
51874
andreas@nsnx:~$