I got a problem here. See comment in the code for detail. Is it with my program? Is it with in memory file handler? Is it with Net::FTP? Anyone noticed this before?

I thought in memory file handlers can be used almost without you know.

Thanks in advance.

use Net::FTP;
use strict;

#This works. It opens a in memory file first, passing it to a sub, and
+ do something. 
{
    my $in_mem;
    print "First try something else\n";
    open(AFILE, ">", \$in_mem);
    write_okay_okay(*AFILE);
    close(AFILE);
    print $in_mem, "\n";
}

#This does not work. It opens a in memory file, passing it to Net::FTP
+->get().
#However got error msg complained bad file descriptor
{
    print "Now try FTP with in mem\n";
    my $ftp = new Net::FTP("Kyanite", Debug => 1);
    $ftp->login("user name", "password");
    my $in_mem;
    open(BFILE, ">", \$in_mem) || die "failed";
    print BFILE "okayokay";
    $ftp->get("MComSubChng.txt", \*BFILE);
    $ftp->quit();
    close(BFILE);
    print $in_mem, "\n";
}

#This works fine. It opens a normal file, and pass the handler to Net:
+:FTP->get().
#I checked, and the local file was created
{
    print "Now try FTP norm\n";
    my $ftp = new Net::FTP("Kyanite", Debug => 1);
    $ftp->login("user name", "password");
    open(BFILE, ">", "bfile") || die "failed";
    $ftp->get("MComSubChng.txt", \*BFILE);
    $ftp->quit();
    close(BFILE);
}

sub write_okay_okay {
    my $file = shift;
    print $file "okay okay";
}
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