$ perl -MFile::Spec -wle 'my $path = shift; my $last = (File::Spec->splitpath($path))[-1]; print $last' /etc/httpd/conf
conf
$ perl -MFile::Spec -wle 'my $path = shift; my $last = (File::Spec->splitpath($path))[-1]; print $last' /etc/httpd/conf/httpd.conf
httpd.conf