how to take file from SAP server to local serve automatically

Hi,

I have problem in writing the UNIX scripts,I have one SAP server and my local server .I want to take one file from SAP server to my local server weekly bases I want to write one UNIX scripts which will automatically takes that file from SAP server to my server.so I need not need to pull the files from SAP every time manully.
can some body please help me or better give me the UNIX code for this.I would be very thank full.

the server details are as follows.

file name = test1.txt
SAP server name = SAP.com (user_id = abc and pass=1234)
path on SAP server where the file is cd /MNO
path on my server where I have to pull file cd/xyx/abc

I want the process to be auto ...
Please help me...

Thanks

check if you can do ftp. if yes, read this