On Wed, 2008-01-02 at 12:38 -0500, Xiong, Bob wrote:
> Thanks, John. But I was looking for the Perl code. I also intended to allow a
> user to download the file and save it to his/her own computer (without opening
> it up). Sorry about not making myself clear. - Bob Xiong
The trick is to lie to the browser about the content-type.
E.g., for a PDF file if you use
print $cgi->header('application/pdf");
then the browser knows it has PDF data, and will use the correct plugin
or helper application to display it.
On the other hand, if you claim
print $cgi->header('application/octet-stream');
then the browser has no information about what plugin or helper app to
use, so will usually pop up the "select application or save file to
disk" dialog. *This is browser-dependent.* The browser can cheat and
look at file extensions, or the first few bytes of the file data. But
it works most of the time.
--kag
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