Can someone can help with this Unix Script? I'm kind of beginner with Unix Script. If someone can help with this?

THanks
Deven
f_print_msg{
echo "Please choose a file or directory. If you...

Can anybody help me with a unix script project that I have no clue on starting it, and also I 'm not that much familiar with unix scripting. Don't get me wrong have little bit experience with Linux,...