Command line sensor not being created

The following sensor is not being created (or at least isn’t showing up in the developer states), nor am I seeing any errors in the log. What am I doing incorrectly?


- platform: command_line
  name: custom_ls
  command: "ls"
  scan_interval: 60

Well, depending on what the ls command shows in your config folder, i assume that the state will be more than 255 characters and so it get’s not created.
Take a look at your logs.

That was it! Though I would have expected an error in the log. Unfortunately I was hoping to be able to read a file into a markdown control. Now I’m back to square zero.