C:\test>junk junk.pl

C:\test>

##</code><code>##

>junk junk.pl
'junk' is not recognized as an internal or external command,
operable program or batch file.

>junk < junk.pl
'junk' is not recognized as an internal or external command,
operable program or batch file.

>set PATHEXT=.pl

>junk junk.pl
'print "'$_'" while <>;
'