sub downloadFile {
    # $filepath is the directory
    # $filename is the name of the file
    my ($filepath,$filename) = @_;
    chdir($filepath) || return(0);
    my $filesize = -s $filename;
    # print full header
    print "Content-Type: application/octet-stream\n\n";
    print "Content-Length: $filesize\n";
    print "Content-disposition: attachment; filename=$filename\n\n";
    print "Content-type: text/plain\n\n";
    # open in binmode
    open(READ,$filename) || die;
    binmode READ;
    # stream it out
    binmode STDOUT;
    while (<READ>) {
        print;
    }
    close(READ);
    # should always return true
    return(1);
}
[download]

First (most importantly), only the first Content-Type header is being seen by the browser (none of the following headers) because you followed it with '\n\n'. Only put two newlines on the last header sent to the browser (or let something like CGI do it for you).

Also, you are sending two Content-Type headers for the same data. text/plain would probably be appropriate for the dbschema.txt file.

binmode() is also probably unnecessary.

-David

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