++ed by:
NGLENN ZMUGHAL HIDEAKIO AYOUNG THALJEF

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Rocky Bernstein

Global Variables

The following "public" global names can be read by clients of this API. Beware that these should be considered "readonly".

$DB::sub

Name of current executing subroutine.

%DB::sub

The keys of this hash are the names of all the known subroutines. Each value is an encoded string that has the sprintf(3) format ("%s:%d-%d", filename, fromline, toline).

This hash is maintained by Perl. filename has the form (eval 34) for subroutines defined inside evals.

$DB::single

Single-step flag. Will be true if the API will stop at the next statement.

$DB::signal

Signal flag. Will be set to a true value if a signal was caught. Clients may check for this flag to abort time-consuming operations.

$DB::trace

This flag is set to true if the API is tracing through subroutine calls.

@DB::args

Contains the arguments of current subroutine, or the @ARGV array if in the toplevel context.

@DB::dbline

List of lines in currently loaded file.

%DB::dbline

Actions in current file (keys are line numbers). The values are strings that have the sprintf(3) format ("%s\000%s", breakcondition, actioncode).

$DB::package

Package namespace of currently executing code.

$DB::filename

Currently loaded filename.

$DB::subname

Fully qualified name of currently executing subroutine.

$DB::lineno

Line number that will be executed next.