You are viewing the version of this documentation from Perl blead. This is the main development branch of Perl. (git commit f2abec8bfa0d0249beefd1abc113431bdc5e5ab4)
HANDLE->format_page_number(EXPR)
$FORMAT_PAGE_NUMBER
$%

The current page number of the currently selected output channel.

Mnemonic: % is page number in nroff.