diff -r 730377b4449f -r e918b7e63748 output.go
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/output.go	Sun Oct 14 13:20:09 2018 +0200
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2014-2018 Mikael Berthe <mikael@lilotux.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+func displayResults(results Results, jsonOutput bool, summaryOnly bool) {
+	if jsonOutput {
+		displayResultsJSON(results)
+		return
+	}
+
+	if !summaryOnly {
+		for i, g := range results.Groups {
+			fmt.Printf("\nGroup #%d (%d files * %v):\n", i+1,
+				len(g.Paths), formatSize(g.Size, true))
+			for _, f := range g.Paths {
+				fmt.Println(f)
+			}
+		}
+	}
+
+	// We're done if we do not display statistics
+	if myLog.verbosity < 1 && !summaryOnly {
+		return
+	}
+
+	// Add a trailing newline
+	if len(results.Groups) > 0 && myLog.verbosity > 0 {
+		fmt.Println()
+	}
+	myLog.Println(0, "Final count:", results.Duplicates,
+		"duplicate files in", len(results.Groups), "sets")
+	myLog.Println(0, "Redundant data size:",
+		formatSize(results.RedundantDataSize, false))
+}
+
+func displayResultsJSON(results Results) {
+	b, err := json.Marshal(results)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(string(b))
+}