#!/usr/bin/perl
#
# Logg.pm
#
#
package MyLib::Logger;

use strict;
use warnings;

use base 'Exporter';
our @EXPORT_OK = qw( data_log ); # Exported, if explicitly requested
our $VERSION = '0.01';

sub data_log {

  my ($log_file, @data) = @_;
  my $log_fh;

  # Log data  to file
  my $timestamp = '[' . localtime() . '] ';
  if ($log_file && ($log_file !~ /^STDOUT$/i)) {

    # Allow tee-ing of logfile to STDOUT and a file ('|tee -a log_file.txt')
    if ($log_file !~ /^\|/) {
      $log_file = ">>${log_file}";
     }
    open $log_fh, $log_file or warn "Can't open $log_file: $!";
    print $log_fh $timestamp, @data, "\n";
    close $log_fh;
   }
  else {
    print $timestamp, @data, "\n";
   }

  return;
 }

1; # End of Logg.pm