#!/usr/local/bin/perl

use MIME::Parser;
use MIME::Entity;
use MIME::Body;

my (@body, $i, $subentity);
my $parser = new MIME::Parser;

$parser->output_to_core(1);

my $entity = $parser->parse_open("C:\\Documents and Settings\\user\\My Documents\\email.txt");

%request = ();
my $header = $entity->head;
$request{SUBJECT} 	= $header->get('Subject');		chomp $request{SUBJECT};
$request{TO} 		= $header->get('To');			chomp $request{TO};
$request{FROM} 		= $header->get('From');			chomp $request{FROM};
$request{CC}		= $header->get('CC');			chomp $request{CC};

if ($entity->parts > 0){
    for ($i=0; $i<$entity->parts; $i++){
        $subentity = $entity->parts($i);
        if (($subentity->mime_type =~ m/text\/html/i) || ($subentity->mime_type =~ m/text\/plain/i)){
            $body = join "",  @{$subentity->body};
            next;
        }
        
        #Multipart/Alternative
        elsif ($subentity->mime_type =~ m/multipart\/alternative/i){
            $body = join "",  @{$subentity->body};
            
            @body = split /------=_NextPart_\S*\n/, $body;
            
            $body = $body[1]; 
            
            $body =~ s/^Content-Type.*Content-Transfer-Encoding.*?\n+//is;
            next;
        }
	} 
}
else {
print("No body text.");
}

$body = &untag($body);

#remove extra space
$body =~ tr/ //s;
$body =~ s/\n+ +\n//g;
$body =~ s/\n\n{2,}//g;

print($body);

sub untag {
  local $_ = $_[0] || $_;
# ALGORITHM:
#   find < ,
#       comment <!-- ... -->,
#       or comment <? ... ?> ,
#       or one of the start tags which require correspond
#           end tag plus all to end tag
#       or if \s or ="
#           then skip to next "
#           else [^>]
#   >
  s{
    <               # open tag
    (?:             # open group (A)
      (!--) |       #   comment (1) or
      (\?) |        #   another comment (2) or
      (?i:          #   open group (B) for /i
        ( TITLE  |  #     one of start tags
          SCRIPT |  #     for which
          APPLET |  #     must be skipped
          OBJECT |  #     all content
          STYLE     #     to correspond
        )           #     end tag (3)
      ) |           #   close group (B), or
      ([!/A-Za-z])  #   one of these chars, remember in (4)
    )               # close group (A)
    (?(4)           # if previous case is (4)
      (?:           #   open group (C)
        (?!         #     and next is not : (D)
          [\s=]     #       \s or "="
          ["`']     #       with open quotes
        )           #     close (D)
        [^>] |      #     and not close tag or
        [\s=]       #     \s or "=" with
        `[^`]*` |   #     something in quotes ` or
        [\s=]       #     \s or "=" with
        '[^']*' |   #     something in quotes ' or
        [\s=]       #     \s or "=" with
        "[^"]*"     #     something in quotes "
      )*            #   repeat (C) 0 or more times
    |               # else (if previous case is not (4))
      .*?           #   minimum of any chars
    )               # end if previous char is (4)
    (?(1)           # if comment (1)
      (?<=--)       #   wait for "--"
    )               # end if comment (1)
    (?(2)           # if another comment (2)
      (?<=\?)       #   wait for "?"
    )               # end if another comment (2)
    (?(3)           # if one of tags-containers (3)
      </            #   wait for end
      (?i:\3)       #   of this tag
      (?:\s[^>]*)?  #   skip junk to ">"
    )               # end if (3)
    >               # tag closed
   }{}gsx;          # STRIP THIS TAG
  return $_ ? $_ : "";
}