eval: add write, eval arguments before applying function

main.go

@@ -94,14 +94,12 @@ func runFile(path string) {
 			return
 		}
 
-		evald, err := eval.Eval(expanded, e)
+		_, err = eval.Eval(expanded, e)
 
 		if err != nil {
 			fmt.Println(err)
 			return
 		}
-
-		fmt.Println(evald.Pretty())
 	}
 }