Instead of processing the text file, the script just terminates as if the file was empty or the STDIN handle closed. It doesn't even process a single line in the text file.

Yes, it is a known problem, and somewhat of a pita. But if you use *ARGV's magic, a.k.a. the diamond operator <> you can safely specify the file on the command line just fine, and this is generally all you need:

C:\temp>cat test.pl
#!/usr/bin/perl -0777

use strict;
use warnings;

print scalar <>;

__END__

C:\temp>test.pl test.pl
#!/usr/bin/perl -0777

use strict;
use warnings;

print scalar <>;

__END__
[download]

I also tried the example at http://perlmonks.org/?node_id=191787 and get the same problem.

Please use [id://191787] to render an internal link like Re: Re: Re: redirecting stdin on windows.