I have a multiline log sample as follow: 2/22/2016 4:19:30 PM 09F8 EVENT The DNS server has finished the background loading of zones. All zones are now available for DNS updates and zone transfers, as allowed by their individual zone configuration. 2/22/2016 4:19:38 PM 082C EVENT The DNS server has started. 2/22/2016 4:19:38 PM 08E0 PACKET 0000000001564000 UDP Rcv 192.168.2.213 526c Q [0001 D NOERROR] SOA (5)_ldap(4)_tcp(4)snpl(3)com(2)np(0) UDP question info at 0000000001564000 Socket = 324 Remote addr 192.168.2.213, port 57611 Time Query=104249, Queued=0, Expire=0 Buf length = 0x0fa0 (4000) Msg length = 0x0028 (40) Message: XID 0x526c Flags 0x0100 QR 0 (QUESTION) OPCODE 0 (QUERY) AA 0 TC 0 RD 1 RA 0 Z 0 CD 0 AD 0 RCODE 0 (NOERROR) QCOUNT 1 ACOUNT 0 NSCOUNT 0 ARCOUNT 0 QUESTION SECTION: Offset = 0x000c, RR count = 0 Name "(5)_ldap(4)_tcp(4)snpl(3)com(2)np(0)" QTYPE SOA (6) QCLASS 1 ANSWER SECTION: empty AUTHORITY SECTION: empty ADDITIONAL SECTION: empty I wish to add the some string at end of this log say (ENDOFLOG) to the end of logfile. How can i achieve this?