also accpt text/tsv

main.go

@@ -249,6 +249,9 @@ func encodeResponse(w http.ResponseWriter, r *http.Request, v interface{}) error
 	if strings.Contains(r.Header.Get("Accept"), "text/csv") {
 		return encodeCSVResponse(w, v)
 	}
+	if strings.Contains(r.Header.Get("Accept"), "text/tsv") {
+		return encodeTSVResponse(w, v)
+	}
 	return encodeJSONResponse(w, v)
 }
 
@@ -256,7 +259,15 @@ func encodeJSONResponse(w http.ResponseWriter, v interface{}) error {
 	return json.NewEncoder(w).Encode(v)
 }
 
+func encodeTSVResponse(w http.ResponseWriter, v interface{}) error {
+	return encodeSVResponse(w, v, "\t")
+}
+
 func encodeCSVResponse(w http.ResponseWriter, v interface{}) error {
+	return encodeSVResponse(w, v, ",")
+}
+
+func encodeSVResponse(w http.ResponseWriter, v interface{}, delim string) error {
 	b, err := json.Marshal(v)
 	if err != nil {
 		return err
@@ -282,17 +293,18 @@ func encodeCSVResponse(w http.ResponseWriter, v interface{}) error {
 	}
 	sort.Strings(fields)
 
-	w.Write([]byte(strings.Join(fields, ",")))
+	w.Write([]byte(strings.Join(fields, delim)))
+	w.Write([]byte("\n"))
 
 	for _, object := range objects {
-		w.Write([]byte("\n"))
 		for j, field := range fields {
 			json.Unmarshal([]byte(field), &field)
 			if j > 0 {
-				w.Write([]byte(","))
+				w.Write([]byte(delim))
 			}
 			w.Write(object[field])
 		}
+		w.Write([]byte("\n"))
 	}
 
 	return nil