P:\>c:\temp\openxl.pl "c:\temp\test.xls"
OLE exception from "Microsoft Office Excel":

'c:     emp     est.xls' could not be found. Check the spelling of the file name,
and verify that the file location is correct.

If you are trying to open the file from your list of most recently used
files on the File menu, make sure that the file has not been renamed, moved,
or deleted.

Win32::OLE(0.1702) error 0x800a03ec
    in METHOD/PROPERTYGET "Open" at c:\temp\openxl.pl line 10