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2019-01-11 12:48:42 -0500 marked best answer .launch extension actually becoming a plain text file instead of a .launch file...

Hey guys, I am relatively new to ROS, as i am working with it for my research project. I have been learning fairly quickly on how to navigate through Ubuntu and how to use ROS. I have been working with different things including PID, ros_control, etc, and I have been following tutorials; some of them require me to make a .launch file, simply by making a blank file, and naming it with the .launch extension and copying and pasting the code. When doing all of this, the file does not actually become a .launch file for me, it becomes a plain text file... I did the same thing when creating a .xml file, adding that extension and it became a .xml file.

I'm not exactly sure what I am doing wrong. If anyone has a quick solution it would be much appreciated. Thanks!

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2018-06-29 10:23:11 -0500 commented question .launch extension actually becoming a plain text file instead of a .launch file...

What do you mean by that? By the way, by xml I meant .yaml...When I try to launch the ".launch" files that I created tha

2018-06-29 09:03:15 -0500 asked a question .launch extension actually becoming a plain text file instead of a .launch file...

.launch extension actually becoming a plain text file instead of a .launch file... Hey guys, I am relatively new to ROS,

2018-06-26 09:32:02 -0500 marked best answer Unable to locate package ros-indigo-rosserial-arduino

I keep on getting, "Unable to locate package ros-indigo-rosserial-arduino" in the terminal. I even replaced indigo in that line of code with my current version of ROS, Melodic, and it still didn't work. Does anyone have a solution to this? I installed ROS correctly, I think. Does anyone know what to do?

I am doing a research project using ROS and an arduino uno and need to be able to install rosserial in order to connect the two and begin what I was doing. If anyone has a quick solution/workaround, it would be much appreciated.

Just some extra information to help diagnose the issue: I am running Ubuntu Linux 18.04 on an Oracle Virtual Machine. Also, as stated above, I installed the most recent version of ROS, that being Melodic.

Thanks!

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2018-06-26 09:23:14 -0500 commented answer Unable to locate package ros-indigo-rosserial-arduino

I made it easy on myself and installed Ubuntu 16.04 and installed ROS-Kinetic from there and then rosserial. Thanks so m

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2018-06-25 15:47:54 -0500 commented answer Unable to locate package ros-indigo-rosserial-arduino

Yeah I literally cannot install previous versions of ROS.. it is still giving me the same error that the rosserial packa

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2018-06-25 15:31:39 -0500 commented answer Unable to locate package ros-indigo-rosserial-arduino

I'll try and build the package from the source. I did uninstall melodic, and I tried installing Indigo and Kinetic and i

2018-06-25 14:13:57 -0500 asked a question Unable to locate package ros-indigo-rosserial-arduino

Unable to locate package ros-indigo-rosserial-arduino: Need help ASAP if Possible!! I keep on getting, "Unable to locate