! Aware to Perl: format_top_name HANDLE EXPR <BR>$FORMAT_TOP

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format_top_name HANDLE EXPR
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$^

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format_top_name HANDLE EXPR

$FORMAT_TOP_NAME

The name of the current top-of-page format for the currently selected output channel. Default is name of the filehandle with _TOP appended. (Mnemonic: points to top of page.)

Source: Perl predefined variables
Copyright: Larry Wall, et al.

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format_top_name HANDLE EXPR $FORMAT_TOP_NAME $^

format_top_name HANDLE EXPR
$FORMAT_TOP_NAME
$^