$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
$/ The input record separator, newline by default. This influences Perl's idea of what a "line" is. Works like awk's RS variable, including
$+ 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
$LAST_REGEXP_CODE_RESULT
Page 14 of 16