#!/usr/bin/env perl
#
use strict;
use warnings;
use File::Find;
use Email::Simple;
use File::Slurp qw( read_file );

my $directory = '/home/******/Mail/.family.directory/Browne, Bill & Martha';
my $outfile = 'output2.txt';

my @found_files;
find( sub { push @found_files, $File::Find::name }, $directory );

foreach(@found_files) {
  my $file = "$_";
      
  if (-f $file) {
    print $_,"\n";
    my $intext = File::Slurp::read_file( $file );
    
    my $mail            = Email::Simple->new($intext);
    my $from_header     = $mail->header("From");
    my $to_header       = $mail->header("To");
    my $date_header     = $mail->header("Date");
    my $cc_header       = $mail->header("CC");
    my $bcc_header      = $mail->header("BCC");

    my @emails = "";
    push @emails, ($from_header, $to_header);

    if( length $cc_header ) {
      push @emails, $cc_header;
    }
    if( length $bcc_header ) {
      push @emails, $bcc_header;
    }
  
    File::Slurp::write_file( $outfile, {append => 1 }, join("\n", @emails ) );

  }
}