$ perle 'BEGIN { my $x = $ARGV[0]; require "List/$x.pm"; "List::$x"->import("first") } say first { not $_ % 2 } 1, 2, 3' Util
2

$ perle 'BEGIN { my $x = $ARGV[0]; require "List/$x.pm"; "List::$x"->import("first") } say first { not $_ % 2 } 1, 2, 3' MoreUtils
Could not find sub 'first' exported by List::MoreUtils at -e line 1.
BEGIN failed--compilation aborted at -e line 1.