diff --git a/tasmotonov-gui.py b/tasmotonov-gui.py
index 8d9320e..c4118f1 100755
--- a/tasmotonov-gui.py
+++ b/tasmotonov-gui.py
@@ -1,40 +1,113 @@
 #!/usr/bin/python3
 
 import sys
-import subprocess
+import tasmotonov
+import configparser
 from PySide6.QtUiTools import QUiLoader
 from PySide6.QtWidgets import QApplication,QFileDialog
 from PySide6.QtCore import QFile, QUrl, QIODevice
 
+# set some standard values
 filename = ""
 action = "toggle"
 
-def tab1_load_file():
+def load_config(file="config.ini"):  # load config from configparser.ConfigParser object
+    to_load = configparser.ConfigParser()
+    to_load.read(file)
+    global filename, action
+    if "DEFAULT" in to_load:
+        if "file" in to_load['DEFAULT']:
+            filename = to_load['DEFAULT']['file']
+            if filename != "":
+                tab1_load_file()
+        if "inline" in to_load['DEFAULT']:
+            window.tab2_plainTextEdit.setPlainText(to_load['DEFAULT']['inline'])
+        if "action" in to_load['DEFAULT']:
+            a_new = to_load['DEFAULT']['action']
+            if a_new != "":
+                action = a_new
+    # else: no config there yet
+def save_config(file="config.ini"):
+    window.tab3_textBrowser.append("Saving configuration!")
+    global filename, action
+    to_save = configparser.ConfigParser()
+    to_save['DEFAULT'] = {}
+    to_save['DEFAULT']['file'] = str(filename)
+    to_save['DEFAULT']['inline'] = str(window.tab2_plainTextEdit.toPlainText())
+    to_save['DEFAULT']['action'] = str(action)
+    with open(file, 'w') as configfile:
+        to_save.write(configfile)
+
+# tab1 slots
+def tab1_load_file_pressed():
     global filename
     dialog = QFileDialog()
     dialog.setFileMode(QFileDialog.AnyFile)
-    #fileNames = QStringList()
     if dialog.exec():
         filename = dialog.selectedFiles()[0]
-        window.tab1_label.setText(f"File loaded: {filename}")
-        window.tab1_label.show()
-        window.tab1_filecontent_textBrowser.setSource(QUrl(filename))
+        tab1_load_file()
+def tab1_load_file():
+    global filename
+    window.tab1_label.setText(f"File loaded: {filename}")
+    window.tab3_textBrowser.append(f"File loaded: {filename}")
+    window.tab1_label.show()
+    window.tab1_filecontent_textBrowser.setSource(QUrl(filename))
+    window.tab1_label_help.show()
+    # clear listWidget and add the items
+    window.tab1_listWidget.clear()
+    window.tab1_listWidget.addItems(tasmotonov.TasmotonovRunner("file", filename, action, False, False).get_addresses())
+def tab1_clear():
+    global filename
+    filename = ""
+    window.tab1_label.setText(f"File loaded: ")
+    window.tab3_textBrowser.append(f"File unloaded")
+    window.tab1_label.hide()
+    window.tab1_label_help.hide()
+    window.tab1_filecontent_textBrowser.clear()
+    window.tab1_listWidget.clear()
 def tab1_action():
     if filename != "":
-        p = subprocess.Popen(["python3", "tasmotonov.py", "file", filename, action], stdout=subprocess.PIPE)
-        out, err = p.communicate()
-        window.tab3_textBrowser.append("==== RUNNING ====\n" + str(out) + "\n=================\n")
+        tasmotonov_runner = tasmotonov.TasmotonovRunner("file", filename, action, False, False)
+        tasmotonov_runner.run()
+        window.tab3_textBrowser.append("\n==== RUNNING ====\n\n" + str(tasmotonov_runner.logger.log_string) + "\n=================\n")
+        tasmotonov_runner.logger.log_string = ""
     else:
         window.tab3_textBrowser.append("Will not run, no file selected!")
+def tab1_single_action():
+    if filename != "":
+        tasmotonov_runner = tasmotonov.TasmotonovRunner("file", filename, action, False, False)
+        tasmotonov_runner.run_single(window.tab1_listWidget.currentRow())
+        window.tab3_textBrowser.append(str(tasmotonov_runner.logger.log_string))
+    
+# tab2 slots
+def tab2_plainTextEdit_change():
+    # clear listWidget
+    window.tab2_listWidget.clear()
+    content = window.tab2_plainTextEdit.toPlainText()
+    if content != "":
+        tasmotonov_runner = tasmotonov.TasmotonovRunner("inline", content, action, False, False)
+        window.tab2_listWidget.addItems(tasmotonov_runner.get_addresses())
+        window.tab3_textBrowser.append(str(tasmotonov_runner.logger.log_string))
 def tab2_action():
     content = window.tab2_plainTextEdit.toPlainText()
     if content != "":
-        p = subprocess.Popen(["python3", "tasmotonov.py", "inline", content, action], stdout=subprocess.PIPE)
-        out, err = p.communicate()
-        window.tab3_textBrowser.append("==== RUNNING ====\n" + str(out) + "\n=================\n")
-        print(out)
+        tasmotonov_runner = tasmotonov.TasmotonovRunner("inline", content, action, False, False)
+        tasmotonov_runner.run()
+        window.tab3_textBrowser.append("\n==== RUNNING ====\n\n" + str(tasmotonov_runner.logger.log_string) + "\n=================\n")
     else:
         window.tab3_textBrowser.append("Will not run, no input given!")
+def tab2_single_action():
+    content = window.tab2_plainTextEdit.toPlainText()
+    tasmotonov_runner = tasmotonov.TasmotonovRunner("inline", content, action, False, False)
+    if len(tasmotonov_runner.get_addresses()) != 0:
+        tasmotonov_runner.run_single(window.tab2_listWidget.currentRow())
+        window.tab3_textBrowser.append(str(tasmotonov_runner.logger.log_string))
+
+# tab3 slots
+def tab3_clear():
+    window.tab3_textBrowser.clear()
+
+# other slots
 def select_on():
     global action
     action = "on"
@@ -64,14 +137,29 @@ if __name__ == "__main__":
         sys.exit(-1)
 
     window.tab1_label.hide()
-    window.tab1_load_file_pushButton.clicked.connect(tab1_load_file)
+    window.tab1_label_help.hide()
+    
+    window.tab1_load_file_pushButton.clicked.connect(tab1_load_file_pressed)
+    window.tab1_clear_pushButton.clicked.connect(tab1_clear)
     window.tab1_action_pushButton.clicked.connect(tab1_action)
+    window.tab1_single_action_pushButton.clicked.connect(tab1_single_action)
+    
+    window.tab2_plainTextEdit.textChanged.connect(tab2_plainTextEdit_change)
     window.tab2_action_pushButton.clicked.connect(tab2_action)
+    window.tab2_single_action_pushButton.clicked.connect(tab2_single_action)
+    
     window.radioButton_on.clicked.connect(select_on)
     window.radioButton_off.clicked.connect(select_off)
     window.radioButton_toggle.clicked.connect(select_toggle)
+    
+    window.tab3_clear_button.clicked.connect(tab3_clear)
+    
+    load_config()
 
     window.show()
 
-    sys.exit(app.exec())
+    # execute app loop and define exit strategy
+    code = app.exec()
+    save_config()
+    sys.exit(code)
 
diff --git a/tasmotonov.ui b/tasmotonov.ui
index 2de2aab..8637c0b 100644
--- a/tasmotonov.ui
+++ b/tasmotonov.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>630</width>
-    <height>404</height>
+    <width>1166</width>
+    <height>546</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -20,8 +20,8 @@
    <enum>QTabWidget::TabShape::Rounded</enum>
   </property>
   <widget class="QWidget" name="centralwidget">
-   <layout class="QGridLayout" name="gridLayout">
-    <item row="0" column="1">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
      <widget class="QTabWidget" name="tabWidget">
       <property name="tabPosition">
        <enum>QTabWidget::TabPosition::East</enum>
@@ -30,7 +30,7 @@
        <enum>QTabWidget::TabShape::Rounded</enum>
       </property>
       <property name="currentIndex">
-       <number>1</number>
+       <number>0</number>
       </property>
       <property name="usesScrollButtons">
        <bool>true</bool>
@@ -40,20 +40,37 @@
       </property>
       <widget class="QWidget" name="tab1_from_file">
        <attribute name="title">
-        <string>From File</string>
+        <string>Bulk From File</string>
        </attribute>
        <layout class="QGridLayout" name="gridLayout_2">
-        <item row="3" column="0">
-         <widget class="QTextBrowser" name="tab1_filecontent_textBrowser">
-          <property name="frameShadow">
-           <enum>QFrame::Shadow::Sunken</enum>
+        <item row="8" column="0">
+         <widget class="QPushButton" name="tab1_action_pushButton">
+          <property name="minimumSize">
+           <size>
+            <width>414</width>
+            <height>0</height>
+           </size>
           </property>
-          <property name="openExternalLinks">
-           <bool>true</bool>
+          <property name="text">
+           <string>Run bulk action (specified below)</string>
           </property>
          </widget>
         </item>
-        <item row="2" column="0">
+        <item row="8" column="1">
+         <widget class="QPushButton" name="tab1_single_action_pushButton">
+          <property name="text">
+           <string>Run single action (specified below)</string>
+          </property>
+         </widget>
+        </item>
+        <item row="4" column="1">
+         <widget class="QLabel" name="tab1_label_help">
+          <property name="text">
+           <string>Select an item and run an action:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="4" column="0">
          <widget class="QLabel" name="tab1_label">
           <property name="enabled">
            <bool>true</bool>
@@ -69,28 +86,77 @@
           </property>
          </widget>
         </item>
-        <item row="8" column="0">
-         <widget class="QPushButton" name="tab1_action_pushButton">
-          <property name="text">
-           <string>Run!</string>
+        <item row="6" column="0">
+         <widget class="QTextBrowser" name="tab1_filecontent_textBrowser">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="MinimumExpanding" vsizetype="MinimumExpanding">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="minimumSize">
+           <size>
+            <width>414</width>
+            <height>0</height>
+           </size>
+          </property>
+          <property name="frameShadow">
+           <enum>QFrame::Shadow::Sunken</enum>
+          </property>
+          <property name="openExternalLinks">
+           <bool>true</bool>
           </property>
          </widget>
         </item>
-        <item row="1" column="0">
+        <item row="6" column="1">
+         <widget class="QListWidget" name="tab1_listWidget"/>
+        </item>
+        <item row="1" column="0" colspan="2">
          <widget class="QPushButton" name="tab1_load_file_pushButton">
           <property name="text">
            <string>Load file</string>
           </property>
          </widget>
         </item>
+        <item row="2" column="0" colspan="2">
+         <widget class="QPushButton" name="tab1_clear_pushButton">
+          <property name="text">
+           <string>Clear</string>
+          </property>
+         </widget>
+        </item>
        </layout>
       </widget>
       <widget class="QWidget" name="tab2_from_inline">
        <attribute name="title">
-        <string>From Inline</string>
+        <string>Bulk From Inline</string>
        </attribute>
-       <layout class="QVBoxLayout" name="verticalLayout">
-        <item>
+       <layout class="QGridLayout" name="gridLayout">
+        <item row="1" column="1">
+         <widget class="QListWidget" name="tab2_listWidget"/>
+        </item>
+        <item row="2" column="1">
+         <widget class="QPushButton" name="tab2_single_action_pushButton">
+          <property name="text">
+           <string>Run single action (specified below)</string>
+          </property>
+         </widget>
+        </item>
+        <item row="2" column="0">
+         <widget class="QPushButton" name="tab2_action_pushButton">
+          <property name="text">
+           <string>Run bulk action (specified below)!</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QLabel" name="tab2_label_help_single">
+          <property name="text">
+           <string>Single actions: select the address and click the button below</string>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="0" rowspan="2">
          <widget class="QPlainTextEdit" name="tab2_plainTextEdit">
           <property name="lineWrapMode">
            <enum>QPlainTextEdit::LineWrapMode::WidgetWidth</enum>
@@ -106,13 +172,6 @@
           </property>
          </widget>
         </item>
-        <item>
-         <widget class="QPushButton" name="tab2_action_pushButton">
-          <property name="text">
-           <string>Run!</string>
-          </property>
-         </widget>
-        </item>
        </layout>
       </widget>
       <widget class="QWidget" name="tab3_output">
@@ -128,13 +187,27 @@
          </widget>
         </item>
         <item>
-         <widget class="QTextBrowser" name="tab3_textBrowser"/>
+         <widget class="QTextBrowser" name="tab3_textBrowser">
+          <property name="acceptDrops">
+           <bool>false</bool>
+          </property>
+          <property name="openExternalLinks">
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="tab3_clear_button">
+          <property name="text">
+           <string>Clear</string>
+          </property>
+         </widget>
         </item>
        </layout>
       </widget>
      </widget>
     </item>
-    <item row="1" column="1">
+    <item>
      <layout class="QHBoxLayout" name="horizontalLayout">
       <item>
        <widget class="QRadioButton" name="radioButton_on">