File::Spec->catpath("","/usr/bin");

##</code><code>##

Use of uninitialized value $file in string ne at /usr/lib/perl/5.14/File/Spec/Unix.pm line 136.
Use of uninitialized value $file in concatenation (.) or string at /usr/lib/perl/5.14/File/Spec/Unix.pm line 144.