=over =item HANDLE->format_top_name(EXPR) =item $FORMAT_TOP_NAME =item $^ X<$^> X<$FORMAT_TOP_NAME> The name of the current top-of-page format for the currently selected output channel. The default is the name of the filehandle with C<_TOP> appended. For example, the default format top name for the C filehandle is C. Mnemonic: points to top of page. =back