使用appender。
MyCounter.pm:
package MyCounter;
use warnings;
use strict;
use Log::Log4perl::Level;
sub new {
my($class,%arg) = @_;
bless {} => $class;
}
sub log {
my($self,%arg) = @_;
++$self->{ $arg{log4p_level} };
}
sub howmany {
my($self,@which) = @_;
my $total = 0;
$total += ($self->{$_} || 0) for @which;
$total;
}
1;
MYPROG:
#! /usr/bin/perl
use warnings;
use strict;
use Log::Log4perl;
my $conf = q(
log4perl.category.MyLogger = INFO, Screen
log4perl.appender.Screen = Log::Log4perl::Appender::Screen
log4perl.appender.Screen.layout = Log::Log4perl::Layout::SimpleLayout
);
Log::Log4perl->init(\$conf);
my $l = Log::Log4perl->get_logger("MyLogger");
my $counter = Log::Log4perl::Appender->new("MyCounter");
$l->add_appender($counter);
$l->warn("warning");
$l->info("info");
$l->error("incorrect");
$l->fatal("really bad, man");
print $counter->howmany(qw/ WARN ERROR FATAL /), "\n";
exit ($counter->howmany(qw/ WARN ERROR FATAL /) ? 1 : 0);
輸出:
$ ./myprog
WARN - warning
INFO - info
ERROR - incorrect
FATAL - really bad, man
3
$ echo $?
1
註釋掉...->warn
,...->error
,和...->fatal
獲得的線路
$ ./myprog
INFO - info
0
$ echo $?
0
完美;謝謝! – pdxrlk 2010-04-07 02:52:23
@pdxrlk不客氣!我很高興它有幫助。 – 2010-04-07 13:57:56
@Sinan謝謝! – 2010-04-07 14:10:23