ars_CreateFilter(ctrl, filterHash)filterHash before calling this routine.
      filterHash is a
      Filter Attributes hash. 
      
Example:
This example copies an existing filter to a new filter. I.e. it simply re-saves the filter under a new name.
      ($f = ars_GetFilter($c, "F-foobar")) ||
	    die $ars_errstr;
      $f->{name} = "Copy of ".$f->{name};
      ars_CreateFilter($c, $f) || die $ars_errstr;
      
Notes: Hash keys helpText, owner and 
changeDiary are optional when calling this routine.
This function was introduced in version 1.90 of ARSperl