$ perl -lwe 'open my $f, "/dev/null" or die; $f->print'
Can't locate object method "print" via package "IO::Handle" at -e line 1.

$ perl -MIO::Handle -lwe 'open my $f, "/dev/null" or die; $f->print'
Filehandle $f opened only for input at /usr/lib/perl/5.10/IO/Handle.pm line 148.