NAME
Log::Message::Simple - Simplified interface to Log::Message
SYNOPSIS
use Log::Message::Simple qw[msg error debug
carp croak cluck confess];
use Log::Message::Simple qw[:STD :CARP];
### standard reporting functionality
msg( "Connecting to database", $verbose );
error( "Database connection failed: $@", $verbose );
debug( "Connection arguments were: $args", $debug );
### standard carp functionality
carp( "Wrong arguments passed: @_" );
croak( "Fatal: wrong arguments passed: @_" );
cluck( "Wrong arguments passed -- including stacktrace: @_" );
confess("Fatal: wrong arguments passed -- including stacktrace: @_" );
### retrieve individual message
my @stack = Log::Message::Simple->stack;
my @stack = Log::Message::Simple->flush;
### retrieve the entire stack in printable form
my $msgs = Log::Message::Simple->stack_as_string;
my $trace = Log::Message::Simple->stack_as_string(1);
### redirect output
local $Log::Message::Simple::MSG_FH = \*STDERR;
local $Log::Message::Simple::ERROR_FH = \*STDERR;
local $Log::Message::Simple::DEBUG_FH = \*STDERR;
### force a stacktrace on error
local $Log::Message::Simple::STACKTRACE_ON_ERROR = 1
DESCRIPTION
This module provides standardized logging facilities using the Log::Message
module.
FUNCTIONS
msg("message string" [,VERBOSE])
Records a message on the stack, and prints it to STDOUT
(or actually $MSG_FH
, see the GLOBAL VARIABLES
section below), if the VERBOSE
option is true. The VERBOSE
option defaults to false.
Exported by default, or using the :STD
tag.
debug("message string" [,VERBOSE])
Records a debug message on the stack, and prints it to STDOUT
(or actually $DEBUG_FH
, see the GLOBAL VARIABLES
section below), if the VERBOSE
option is true. The VERBOSE
option defaults to false.
Exported by default, or using the :STD
tag.
error("error string" [,VERBOSE])
Records an error on the stack, and prints it to STDERR
(or actually $ERROR_FH
, see the GLOBAL VARIABLES
sections below), if the VERBOSE
option is true. The VERBOSE
options defaults to true.
Exported by default, or using the :STD
tag.
carp();
Provides functionality equal to Carp::carp()
while still logging to the stack.
Exported by using the :CARP
tag.
croak();
Provides functionality equal to Carp::croak()
while still logging to the stack.
Exported by using the :CARP
tag.
confess();
Provides functionality equal to Carp::confess()
while still logging to the stack.
Exported by using the :CARP
tag.
cluck();
Provides functionality equal to Carp::cluck()
while still logging to the stack.
Exported by using the :CARP
tag.
CLASS METHODS
Log::Message::Simple->stack()
Retrieves all the items on the stack. Since Log::Message::Simple
is implemented using Log::Message
, consult its manpage for the function retrieve
to see what is returned and how to use the items.
Log::Message::Simple->stack_as_string([TRACE])
Returns the whole stack as a printable string. If the TRACE
option is true all items are returned with Carp::longmess
output, rather than just the message. TRACE
defaults to false.
Log::Message::Simple->flush()
Removes all the items from the stack and returns them. Since Log::Message::Simple
is implemented using Log::Message
, consult its manpage for the function retrieve
to see what is returned and how to use the items.
GLOBAL VARIABLES
- $ERROR_FH
-
This is the filehandle all the messages sent to
error()
are being printed. This defaults to*STDERR
. - $MSG_FH
-
This is the filehandle all the messages sent to
msg()
are being printed. This default to*STDOUT
. - $DEBUG_FH
-
This is the filehandle all the messages sent to
debug()
are being printed. This default to*STDOUT
. - $STACKTRACE_ON_ERROR
-
If this option is set to
true
, every call toerror()
will generate a stacktrace usingCarp::shortmess()
. Defaults tofalse