Expand availabality of option --no-display-results

README.md

@@ -63,6 +63,7 @@ Possible options, besides `--dot`:
 * --file INPUT_FILE: provide an input file with a list of domain name to query
   (read the first line only, use --repeat N to read up to N lines of the file)
 * --repeat N: repeat a test N times or read up to N lines of a file
+* --no-display-results: do not output DNS response
 
 ### Check
 
@@ -146,7 +147,6 @@ For example :
 
 In order to focus on the time per request, you can suppress the
 output by using the option `--no-display-results`.
-This option only works with `--multistreams`.
 
 Two modes are available. By default each response is read,
 checked and displayed as soon as it is received.

homer.py

@@ -661,7 +661,7 @@ def print_result(connection, request, prefix=None, display_err=True):
     size = request.response_size
     if (dot and rcode) or (not dot and rcode == 200):
         if not monitoring:
-            if not check or verbose:
+            if display_results and (not check or verbose):
                 print(msg)
         else:
             if expect is not None and expect not in str(request.response):
@@ -961,9 +961,6 @@ if not monitoring:
     if sync and not multistreams:
         usage("--sync cannot be used without --multistreams")
         sys.exit(1)
-    if not display_results and not multistreams:
-        usage("--no-display-results cannot be used without --multistreams")
-        sys.exit(1)
     if show_time and not multistreams:
         usage("--time cannot be used without --multistreams")
         sys.exit(1)