I have 2 servers running AIX on each I have the following
archive log files

rs1:/archive1# ls -al
-rw-r----- 1 oracle dba 104852480 Feb 19 15:37 log11740.arc
-rw-r----- 1 oracle dba 104857088 Feb 19 15:38 log11741.arc
-rw-r----- 1 oracle dba 104855040 Feb 19 15:39 log11742.arc
-rw-r----- 1 oracle dba 104856576 Feb 21 15:22 log11743.arc
-rw-r----- 1 oracle dba 23519744 Feb 23 14:32 log11744.arc
.....

rs2:/archive2# ls -al
-rw-r----- 1 oracle dba 104857088 Feb 25 12:59 log21271.arc
-rw-r----- 1 oracle dba 104849408 Feb 25 15:16 log21272.arc
-rw-r----- 1 oracle dba 47743488 Feb 25 15:31 log21273.arc
-rw-r----- 1 oracle dba 104857088 Feb 26 12:45 log21274.arc
-rw-r----- 1 oracle dba 104857088 Feb 26 14:41 log21275.arc
-rw-r----- 1 oracle dba 65959936 Feb 26 16:09 log21276.arc
.....

I want to write a script in Korn shell
using ftp to transfer a files under /archive1 & /arachive2
to another unix system *BSD to a folder /backup
under an ftp account

in case the files already exist on the FTP servers
should escape the transfer,but if its not, should be transfered

Thanks