Here's my sub on creating self-extracting EXE's which may come in useful. Note that this works on both Windows and Unix/Linux, even though it's always creating a Windows-based self-extracting EXE. (I know - I developed it on Linux, and just ran tests on Windows to make sure it still worked.)

use File::Copy;
use IO::File;

sub _create_sfx
{
    my $self = shift;
    my $zip = shift;
    my $exe = shift;

    my $fh = IO::File->new($exe, "w");
    binmode($fh); # stupid Windows
    copy(File::Spec->catfile(LocationOfUnzipsfxExe(),
                             'unzipsfx.exe'),
         $fh);
    copy($zip, $fh);
    unlink($zip);
    $fh->close();
    system(qw(zip -A), $exe);
}

[download]

As you can see, I open my output filehandle, set it to binary mode, and use File::Copy::copy to copy each filename (the unzipsfx.exe file and the zip file) into my still-open file handle. Once closed, then I tell zip to fix the sfx executable (offsets and stuff), and we're done. Funny thing is that "zip -A" run on Linux ... works to create the Windows self-extractor. :-)

In reply to Re: How to concatenate binary files by Tanktalus
in thread How to concatenate binary files by AnotherMonkWannabe

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