" " ..\run_ a_n " redir > a_n.out fu SomeFunc(...) echo a:1 echo a:2 echo a:3 echo '' echo a:000[0] echo a:000[1] echo a:000[2] echo '' echo 'Number of arguments: ' . a:0 endfu call SomeFunc('foo', 'bar', 'baz') redir END q " foo " bar " baz " " foo " bar " baz " " Number of arguments: 3