[Help help] backup script for tape on solaris

hi all,

very urgent need backup script on tape using solaris 8, my tape drive is DAT 72 on sun v240.

i need a simple script to backup files from directory /data/log/back/200703/filename.log. the files will backup continue each day on the tape which have 72 GB. the files size only 50MB and will backup to the tape each day continue on only one tape until full. example : on the tape will contains 20070301.dat,20070302.dat,etc.

nb:is a external tape drive

please help

Thank you so much

Best Regards,

bucci