perlvar NAME
$OS_ERROR
$/ The input record separator, newline by default. This influences Perl's idea of what a "line" is. Works like awk's RS variable, including
$EXCEPTIONS_BEING_CAUGHT
${^WARNING_BITS} The current set of warning checks enabled by the
$% The current page number of the currently selected output channel. Mnemonic:
$BASETIME
$@ The Perl syntax error message from the last eval()
$+ The text matched by the last bracket of the last successful search pattern. This is useful if you don't know which one of a set of alternative
$POSTMATCH
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