/usr/share/perl5/Log/Agent/Stamping.pm is in liblog-agent-perl 1.001-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Stamping.pm
#
# Copyright (C) 1999 Raphael Manfredi.
# Copyright (C) 2002-2015 Mark Rogaski, mrogaski@cpan.org;
# all rights reserved.
#
# See the README file included with the
# distribution for license information.
#
##########################################################################
use strict;
require Exporter;
########################################################################
package Log::Agent::Stamping;
#
# Common time-stamping routines
#
use vars qw(@ISA @EXPORT);
@ISA = qw(Exporter);
@EXPORT = qw(stamping_fn);
my @months = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
my @days = qw(Sun Mon Tue Wed Thu Fri Sat);
#
# stamp_none
#
# No timestamp
#
sub stamp_none {
return '';
}
#
# stamp_syslog
#
# Syslog-like stamping: "Oct 27 21:09:33"
#
sub stamp_syslog {
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
return sprintf "%s %2d %.2d:%.2d:%.2d",
$months[$mon], $mday, $hour, $min, $sec;
}
#
# stamp_date
#
# Date format: "[Fri Oct 22 16:23:10 1999]"
#
sub stamp_date {
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
return sprintf "[%s %s %2d %.2d:%.2d:%.2d %d]",
$days[$wday], $months[$mon], $mday, $hour, $min, $sec, 1900 + $year;
}
#
# stamp_own
#
# Own format: "99/10/24 09:43:49"
#
sub stamp_own {
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = localtime(time);
return sprintf "%.2d/%.2d/%.2d %.2d:%.2d:%.2d",
$year % 100, ++$mon, $mday, $hour, $min, $sec;
}
my %stamping = (
'none' => \&stamp_none,
'syslog' => \&stamp_syslog,
'date' => \&stamp_date,
'own' => \&stamp_own,
);
#
# stamping_fn
#
# Return proper time stamping function based on its 'tag'
# If tag is unknown, use stamp_own.
#
sub stamping_fn {
my ($tag) = @_;
return $stamping{$tag} if defined $tag && defined $stamping{$tag};
return \&stamp_own;
}
1; # for require
__END__
=head1 NAME
Log::Agent::Stamping - time-stamping routines
=head1 SYNOPSIS
Not intended to be used directly
=head1 DESCRIPTION
This package contains routines to generate the leading time-stamping
on logged messages. Formats are identified by a name, and the
stamping_fn() function converts that name into a CODE ref, defaulting
to the "own" format when given an unknown name.
Here are the known formats:
date "[Fri Oct 22 16:23:10 1999]"
none
own "99/10/22 16:23:10"
syslog "Oct 22 16:23:10"
Channels or Drivers which take a C<-stampfmt> switch expect either a string
giving the format name (e.g. "date"), or a CODE ref. That referenced
routine will be called every time we need to compute a time stamp.
It should not expect any parameter, and should return a stamping string.
=head1 AUTHOR
Raphael Manfredi F<E<lt>Raphael_Manfredi@pobox.comE<gt>>
=head1 SEE ALSO
Log::Agent(3), Log::Agent::Channel(3), Log::Agent::Driver(3).
=cut
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