Munin temp script for OS X (works with https://github.com/informationsea/smc)

sensors_temp.pl

#!/usr/bin/env perl
use strict;
use warnings;
use utf8;

my $SMC_RESULT=`/usr/local/bin/smc -t`;
my $COUNTER = 0;

if (@ARGV == 1 && $ARGV[0] eq "config") {
    print <<__END__;
graph_title Temperature
graph_info Temperature
graph_vlabel degrees Celsius
graph_args --base 1000 -l 0
graph_category sensors
__END__
}

foreach my $one (split(/\n/, $SMC_RESULT)) {
    $one =~ /\s+([\w\s\d]+) : ([\d\.]+)/;
    if (@ARGV == 1 && $ARGV[0] eq "config") {
        print "temp${COUNTER}.label $1\n";
    }
    if (@ARGV == 0) {
        print "temp${COUNTER}.value $2\n";
    }
    $COUNTER += 1
}