sub save_doc_as_text {  
my ( $infile, $outfile ) = @_;  

print "\n$infile";
print "\n$outfile";

require Win32::OLE;   
my $word = Win32::OLE->new( 'Word.Application', sub {$_[0]->Quit;});error( "Can't create new instance or Word Reason:$Win32::OLE::LastError" ) unless $word;    
$word->{visible} = 0; 
my $doc = $word->{Documents}->Open($infile); 
error( "Can't open $infile, Reason:$Win32::OLE::LastError" ) unless $doc;    
# wdFormatDocument wdFormatText wdFormatHTML    
$doc->SaveAs( { FileName => $outfile, FileFormat => $wdFormatText});    
$doc->Close;   
undef $doc;    
undef $word;}

$inf="C:\\test\\input3.doc";
$outf="C:\\test\\text-output.txt";
save_doc_as_text($inf,$outf);