C:\test>type argtest.pl
#! perl -slw
use strict;

print for @ARGV;


C:\test>ftype Perl
Perl="c:\perl64\bin\perl.exe" "%1"

C:\test>argtest 1 2 3 4 5           ### NOTE ### no args printed because %* is missing above.

C:\test>ftype Perl="c:\perl64\bin\perl.exe" "%1" %*
Perl="c:\perl64\bin\perl.exe" "%1" %*

C:\test>argtest 1 2 3 4 5           ### NOTE ### Now it works.
1
2
3
4
5