1Log::Message::Simple(3)User Contributed Perl DocumentatioLnog::Message::Simple(3)
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NAME

6       Log::Message::Simple - Simplified interface to Log::Message
7

SYNOPSIS

9           use Log::Message::Simple qw[msg error debug
10                                       carp croak cluck confess];
11
12           use Log::Message::Simple qw[:STD :CARP];
13
14           ### standard reporting functionality
15           msg(    "Connecting to database",           $verbose );
16           error(  "Database connection failed: $@",   $verbose );
17           debug(  "Connection arguments were: $args", $debug );
18
19           ### standard carp functionality
20           carp(   "Wrong arguments passed: @_" );
21           croak(  "Fatal: wrong arguments passed: @_" );
22           cluck(  "Wrong arguments passed -- including stacktrace: @_" );
23           confess("Fatal: wrong arguments passed -- including stacktrace: @_" );
24
25           ### retrieve individual message
26           my @stack = Log::Message::Simple->stack;
27           my @stack = Log::Message::Simple->flush;
28
29           ### retrieve the entire stack in printable form
30           my $msgs  = Log::Message::Simple->stack_as_string;
31           my $trace = Log::Message::Simple->stack_as_string(1);
32
33           ### redirect output
34           local $Log::Message::Simple::MSG_FH     = \*STDERR;
35           local $Log::Message::Simple::ERROR_FH   = \*STDERR;
36           local $Log::Message::Simple::DEBUG_FH   = \*STDERR;
37
38           ### force a stacktrace on error
39           local $Log::Message::Simple::STACKTRACE_ON_ERROR = 1
40

DESCRIPTION

42       This module provides standardized logging facilities using the
43       "Log::Message" module.
44

FUNCTIONS

46   msg("message string" [,VERBOSE])
47       Records a message on the stack, and prints it to "STDOUT" (or actually
48       $MSG_FH, see the "GLOBAL VARIABLES" section below), if the "VERBOSE"
49       option is true.  The "VERBOSE" option defaults to false.
50
51       Exported by default, or using the ":STD" tag.
52
53   debug("message string" [,VERBOSE])
54       Records a debug message on the stack, and prints it to "STDOUT" (or
55       actually $DEBUG_FH, see the "GLOBAL VARIABLES" section below), if the
56       "VERBOSE" option is true.  The "VERBOSE" option defaults to false.
57
58       Exported by default, or using the ":STD" tag.
59
60   error("error string" [,VERBOSE])
61       Records an error on the stack, and prints it to "STDERR" (or actually
62       $ERROR_FH, see the "GLOBAL VARIABLES" sections below), if the "VERBOSE"
63       option is true.  The "VERBOSE" options defaults to true.
64
65       Exported by default, or using the ":STD" tag.
66
67   carp();
68       Provides functionality equal to "Carp::carp()" while still logging to
69       the stack.
70
71       Exported by using the ":CARP" tag.
72
73   croak();
74       Provides functionality equal to "Carp::croak()" while still logging to
75       the stack.
76
77       Exported by using the ":CARP" tag.
78
79   confess();
80       Provides functionality equal to "Carp::confess()" while still logging
81       to the stack.
82
83       Exported by using the ":CARP" tag.
84
85   cluck();
86       Provides functionality equal to "Carp::cluck()" while still logging to
87       the stack.
88
89       Exported by using the ":CARP" tag.
90

CLASS METHODS

92   Log::Message::Simple->stack()
93       Retrieves all the items on the stack. Since "Log::Message::Simple" is
94       implemented using "Log::Message", consult its manpage for the function
95       "retrieve" to see what is returned and how to use the items.
96
97   Log::Message::Simple->stack_as_string([TRACE])
98       Returns the whole stack as a printable string. If the "TRACE" option is
99       true all items are returned with "Carp::longmess" output, rather than
100       just the message.  "TRACE" defaults to false.
101
102   Log::Message::Simple->flush()
103       Removes all the items from the stack and returns them. Since
104       "Log::Message::Simple" is  implemented using "Log::Message", consult
105       its manpage for the function "retrieve" to see what is returned and how
106       to use the items.
107

GLOBAL VARIABLES

109       $ERROR_FH
110           This is the filehandle all the messages sent to "error()" are being
111           printed. This defaults to *STDERR.
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113       $MSG_FH
114           This is the filehandle all the messages sent to "msg()" are being
115           printed. This default to *STDOUT.
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117       $DEBUG_FH
118           This is the filehandle all the messages sent to "debug()" are being
119           printed. This default to *STDOUT.
120
121       $STACKTRACE_ON_ERROR
122           If this option is set to "true", every call to "error()" will
123           generate a stacktrace using "Carp::shortmess()".  Defaults to
124           "false"
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128perl v5.34.0                      2022-01-21           Log::Message::Simple(3)
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