Update default search engine for all users

src/freedombone-utils-web

     mark_completed $FUNCNAME
 }
 
+function update_default_search_engine {
+    for d in /home/*/ ; do
+        USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
+        if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
+            if ! grep -q "WWW_HOME" /home/$USERNAME/.bashrc; then
+                if ! grep -q 'controluser' /home/$USERNAME/.bashrc; then
+                    echo "export WWW_HOME=$DEFAULT_SEARCH" >> /home/$USERNAME/.bashrc
+                else
+                    sed -i "/controluser/i export WWW_HOME=$DEFAULT_SEARCH" /home/$USERNAME/.bashrc
+                fi
+            fi
+        fi
+    done
+}
+
 function install_command_line_browser {
     if [[ $(is_completed $FUNCNAME) == "1" ]]; then
         return
     fi
     apt-get -yq install elinks
-
-    # set the home page
-    if ! grep -q "WWW_HOME" /home/$MY_USERNAME/.bashrc; then
-        if ! grep -q 'controluser' /home/$MY_USERNAME/.bashrc; then
-            echo "export WWW_HOME=$DEFAULT_SEARCH" >> /home/$MY_USERNAME/.bashrc
-        else
-            sed -i "/controluser/i export WWW_HOME=$DEFAULT_SEARCH" /home/$MY_USERNAME/.bashrc
-        fi
-    fi
+    update_default_search_engine
 
     mark_completed $FUNCNAME
 }