$# $# was a variable that could be used to format printed numbers. After a deprecation cycle
@LAST_MATCH_END
$^L What formats output as a form feed. The default is \f . You
$FORMAT_LINE_BREAK_CHARACTERS
$OS_ERROR
HANDLE->format_lines_left(EXPR)
$ARGV Contains the name of the current file when reading from <> .
HANDLE->format_name(EXPR)
$_ The default input and pattern-searching space. The following pairs are equivalent:
$) The effective gid of this process. If you are on a machine that supports membership in multiple groups simultaneously, gives a space separated
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