--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pkg/imports/misc.go	Sat Jan 12 19:53:31 2019 +0100
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+// License-Filename: LICENSES/AGPL-3.0.txt
+//
+// Copyright (C) 2018 by via donau
+//   – Österreichische Wasserstraßen-Gesellschaft mbH
+// Software engineering by Intevation GmbH
+//
+// Author(s):
+//  * Sascha L. Teichmann <sascha.teichmann@intevation.de>
+
+package imports
+
+import (
+	"fmt"
+	"strings"
+)
+
+type stringCounter map[string]int
+
+func (sc stringCounter) String() string {
+	var b strings.Builder
+	for t, c := range sc {
+		if b.Len() > 0 {
+			b.WriteString(", ")
+		}
+		b.WriteString(fmt.Sprintf("%s: %d", t, c))
+	}
+	return b.String()
+}