Except that I used type rather than cat I get expected output with ActiveState install as detailed below:

C:\...\PerlMonks>perl -v

This is perl, v5.8.7 built for MSWin32-x86-multi-thread
(with 7 registered patches, see perl -V for more detail)

Copyright 1987-2005, Larry Wall

Binary build 813 [148120] provided by ActiveState http://www.ActiveSta
+te.com
ActiveState is a division of Sophos.
Built Jun  6 2005 13:36:37

Perl may be copied only under the terms of either the Artistic License
+ or the
GNU General Public License, which may be found in the Perl 5 source ki
+t.

Complete documentation for Perl, including FAQ lists, should be found 
+on
this system using `man perl' or `perldoc perl'.  If you have access to
+ the
Internet, point your browser at http://www.perl.org/, the Perl Home Pa
+ge.


C:\...\PerlMonks>type noname.txt | perl noname.pl
FORM is the symbol
IDTI is the symbol
ONNN is the symbol
CHRT is the symbol
[download]