make user input GUI opt-in rather default

README.md

@@ -125,6 +125,10 @@ future BEP format in a dedicated eyetracker folder
 `<matches>[_recording-<label>]_stim.tsv.gz`
 `<matches>[_recording-<label>]_stim.json`
 
+### change log
+
+ <!-- 93b4c584bf22883a3c4f8b9031b70e381deef272 -->
+
 ###  3.3. <a name='Contributors'></a>Contributors ✨
 
 Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):

src/checkCFG.m

@@ -14,6 +14,8 @@
 
     fieldsToSet.verbose = false;
 
+    fieldsToSet.useGUI = false;
+
     fieldsToSet.fileName.task = '';
     fieldsToSet.fileName.zeroPadding = 3;
     fieldsToSet.fileName.dateFormat = 'yyyymmddHHMM';

src/userInputs.m

@@ -21,10 +21,18 @@
 
         questions = createQuestionList(cfg);
 
-        try
-            responses = askUserGui(questions, responses);
-        catch
+        if cfg.useGUI
+
+            try
+                responses = askUserGui(questions, responses);
+            catch
+                responses = askUserCli(questions, responses);
+            end
+
+        else
+
             responses = askUserCli(questions, responses);
+
         end
 
     end

tests/test_checkCFG.m

@@ -89,6 +89,8 @@ function test_checkCfgBasic()
     expectedCfgStructure.subject.askGrpSess = [true true];
 
     expectedCfgStructure.verbose = 0;
+
+    expectedCfgStructure.useGUI = false;
 
     expectedCfgStructure.fileName.task = '';
     expectedCfgStructure.fileName.zeroPadding = 3;