in reply to "-e" and "-d" switches

The '-x' switches (perldoc -f -x) test various file properties.

In your case, -d "filename" tests if "filename" is a directory. -e "filename" just checks if it exists. For example, -f "filename" will tell you if the file is a plainfile.

You can use these switches to get other information from files like age or last change.

Alberto Simões

Python's syntax succeeds in combining the mistakes of Lisp and Fortran. I do not contrue that as progress.

-- Larry Wall