First, you find out who put non-word characters in the filenames. Then, you hit this evil person repeatedly with a large blunt object until he agrees to change them all. HTH.HAND.

$;=sub{$/};@;=map{my($a,$b)=($_,$;);$;=sub{$a.$b->()}}
split//,".rekcah lreP rehtona tsuJ";$\=$ ;->();print$/
[download]