convertin in to upper case

write a shell script that accepts one or more file name as arguments and converts all of them to uppercase,provided they exist in the current directory:b::b::b:

you should have at least started something.

He did start somewhere, he post his homeworks and now his waiting for somebody to solve the problems.

@shawz you should read Simple rules of the UNIX.COM forums: before posting, especially 5 and 6.