--- /dev/null
+package Joe2Jim ;
+
+use Filter::Util::Call ;
+
+use strict ;
+use warnings ;
+
+sub import
+{
+ my($type) = @_ ;
+
+ filter_add(bless []) ;
+}
+
+sub filter
+{
+ my($self) = @_ ;
+ my($status) ;
+
+ s/Joe/Jim/g
+ if ($status = filter_read()) > 0 ;
+ $status ;
+}
+
+1 ;
+