function! New_Plugin(x)
   let mfile=a:x
   let packname=substitute(a:x, ".pm$","","")
   if a:x !~ '\.pm$'
      let mfile=mfile.".pm"
   endif
  execute  ':e Plugins/' . mfile
  :r files/stub.pm
  :0d
  execute "%s/STUB/" .substitute(packname, "/", "::", "g")
endfunction