dry run fmt stderr

main.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"flag"
 	"fmt"
-	"log"
 	"os"
 	"os/signal"
 	"path"
@@ -51,7 +50,7 @@ func main() {
 			}
 			outd[outf] = struct{}{}
 
-			log.Printf("mv %q %q", inf, outf)
+			fmt.Fprintf(os.Stderr, "mv %q %q\n", inf, outf)
 			return nil
 		}
 	}