HANDLE->format_page_number(EXPR)

$^F The maximum system file descriptor, ordinarily 2. System file descriptors are passed to

${^RE_DEBUG_FLAGS} The current value of the regex debugging flags. Set to 0 for no debug output even when the re

$, The output field separator for the print operator. If defined, this value is printed between each of print's arguments. Default is

$EXTENDED_OS_ERROR

%OS_ERROR

$FORMAT_NAME

$COMPILING

$PERL_VERSION

$\ The output record separator for the print operator. If defined, this value is printed after the last of print's arguments. Default is