#!/usr/bin/perl

use strict;

my($src,$dst,@files)=@ARGV;
my %allfiles;

my $dh;

opendir($dh, $src) || die "source dir missing";
%allfiles=map {$_ => 1} grep {/^[^.]/} readdir($dh);
close $dh;

my @dwim;
for (@files){
	if(!$allfiles{$_}){
		warn "$_ not found in $src\n";
	}else{
		push @dwim,$_;
	};
};

for (sort keys %allfiles){
	push @dwim,$_;
};

system("cp",(map {$src."/".$_} @dwim),$dst);