Added tests and updated doc

freqtrade/commands/cli_options.py

@@ -224,7 +224,8 @@ AVAILABLE_CLI_OPTIONS = {
     "export_csv": Arg(
         '--export-csv',
         help='Export to CSV-File. Put + in front of filename to overwrite.'
-        'Example: --export-csv +hyperopt.csv',
+        ' This will disable table print.'
+        ' Example: --export-csv +hyperopt.csv',
         metavar='FILE',
     ),
     "hyperopt_jobs": Arg(

freqtrade/commands/hyperopt_commands.py

@@ -50,17 +50,18 @@ def start_hyperopt_list(args: Dict[str, Any]) -> None:
     if print_colorized:
         colorama_init(autoreset=True)
 
-    try:
-        Hyperopt.print_result_table(config, trials, total_epochs,
-                                    not filteroptions['only_best'], print_colorized, 0)
-    except KeyboardInterrupt:
-        print('User interrupted..')
+    if not export_csv:
+        try:
+            Hyperopt.print_result_table(config, trials, total_epochs,
+                                        not filteroptions['only_best'], print_colorized, 0)
+        except KeyboardInterrupt:
+            print('User interrupted..')
 
     if trials and not no_details:
         sorted_trials = sorted(trials, key=itemgetter('loss'))
         results = sorted_trials[0]
         Hyperopt.print_epoch_details(results, total_epochs, print_json, no_header)
-    print(export_csv)
+
     if trials and export_csv:
         overwrite_csv = False
         if export_csv[0] == '+':