Wide-Latin bash script?

Is there any script, preferably bash or Perl, that will convert normal ASCII ("deal") into wide-width latin ("ｄｅａｌ")?

Thanks.

>>25
$ echo hax my anus | perl -pe 'tr/[ -~]/[！-～]/;'
����������

Goddamn liar.
Meanwhile, Xarn's program works fine:

$ echo hax my anus | fullwidth
ｈａｘ ｍｙ ａｎｕｓ