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Excel File corrupted when attached in MIME::Lite

Posted on 2010-11-19
Medium Priority
Last Modified: 2013-12-17
I have a Perl script that writes an excel file and is supposed to email it. The excel file is generated perfectly: if I merely copy it over to a machine with Excel, it opens fine. However, when I attach it to the email, it seems to get corrupted and what was once about a 300 KB file is now about 300 Bytes. I'm modeling my code after other Perl scripts I've written in the past that successfully attach and send excel files but it doesn't seem to be working here.
my $filename = "pos_" . $date . ".xls";
        my $excel_file = "/path/to/" . $filename;
        my $workbook = Spreadsheet::WriteExcel->new("$excel_file");

        $workbook = &createLimitSheet($workbook);

        $text = "see attached excel file.";

        my $msg = MIME::Lite->new(
                From => 'from@example.com',
                To => 'to@example.com',
                Subject => 'Excel File',
                Type => 'text/html',
                Data => "$text",

        my $att = MIME::Lite->new(
                Path => $excel_file,
                Type => 'application/vnd.ms-excel',
                Encoding => 'base64',
                Disposition => 'attachment',

        $att->attr( 'Content-Description' => $filename );
        $att->delete( 'Date' );
        $att->delete( 'X-Mailer' );
        $att->delete( 'MIME-Version' );

        $msg->attach( $att );

        $msg->send('smtp', 'ip.address.of.SMTPserver', Timout => 20);

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Question by:davidcummings
  • 4
  • 4
LVL 10

Expert Comment

ID: 34174631
Here's what I have used successfully

$email->attach(Type     => 'application/x-microsoft-excel',
                   Encoding => 'base64',
                   Path     => $file_path,
                   Filename => basename($file_path));

Good luck!

Author Comment

ID: 34174671
Hi jeromee,

Thanks for your response.

I implemented your suggestion but I wasn't able to get the code to run. What is basename and do I need it?
LVL 10

Expert Comment

ID: 34174721
Add this to your code:

use File::Basename;

I needed it because I want the file name vs. the file path.
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Author Comment

ID: 34174939
Thanks. It runs now, but I'm getting the same problem I had before.
LVL 10

Accepted Solution

jeromee earned 2000 total points
ID: 34174966
Do you write and close the file before you try sending it?

Author Comment

ID: 34175868
that'll do the trick.

written, yes. closed, no.

thank you for your help.

Author Closing Comment

ID: 34175872
Stupid error on my part.
LVL 10

Expert Comment

ID: 34176260
Don't beat yourself up... we have all done it once.

Glad I was able to help!

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