yaml as argument

.gitignore

@@ -3,3 +3,4 @@
 /.project
 /.clangd
 /advanced.bag
+/bag

launch/demo_laser2d.launch

@@ -10,6 +10,7 @@
     <arg name="launch_pref" value="valgrind --tool=callgrind --callgrind-out-file='callgrind.wolf.%p'" if="$(arg profiling)" />
     <arg name="launch_pref" value="gdb -ex run --args" if="$(arg gdb)" />
     
+    <arg name="yaml" default="demo_laser2d"/>
     <arg name="bag" default="advanced" /> <!-- can be: "basic", "basic_no_odom_tf", "advanced", "advanced_no_odom_tf"-->
     
     <param name="use_sim_time" value="true" />
@@ -21,7 +22,7 @@
           required="true"
           output="screen"
     	  launch-prefix="$(arg launch_pref)">
-        <param name="~yaml_file_path" value="$(find wolf_demo_laser2d)/yaml/demo_laser2d.yaml" />
+        <param name="~yaml_file_path" value="$(find wolf_demo_laser2d)/yaml/$(arg yaml).yaml" />
     </node>
     
     <!--VISUALIZATION-->