<wob_jonas> perl -e {$f="wisdom/rules of wisdom";open$i,"<",$f or die;local$/;$s=<$i>;$s=~s/with no space at the end/and end in a newline with no space before that/ or die;$s=~s/\\n\\z// or die;print$s;open$o,">",$f;print$o $s or die;}

Cubes come in all sizes, colors, and materials, but only one shape. The companion cube does not speak, however.