I have say 100 custom packages like (file1.pm, file2.pm, file3.pm, file4.pm, file5.pm, file6.pm )
Each file contains one function.
i want to import all in my eve
As I said in a comment, I think this is a terrible way to organise your codebase. But assuming that you can't do anything about that, you might want to look at the Toolkit module.