or download this
C:\Steve\Dev\PerlMonks\P-2013-10-17@1130-FileSize>testfsize.pl
Global symbol "$directoryUNC" requires explicit package name at C:\Ste
+ve\Dev\PerlMonks\P-2013-10-17@1130-FileSize\testfsize.pl line 9.
...
Global symbol "$fileSize" requires explicit package name at C:\Steve\D
+ev\PerlMonks\P-2013-10-17@1130-FileSize\testfsize.pl line 17.
Global symbol "$fileSize" requires explicit package name at C:\Steve\D
+ev\PerlMonks\P-2013-10-17@1130-FileSize\testfsize.pl line 18.
Execution of C:\Steve\Dev\PerlMonks\P-2013-10-17@1130-FileSize\testfsi
+ze.pl aborted due to compilation errors.