search for: canopen

...t of the data into a file. So whenever I'm logged in elsewhere or am not connected to the internet, I get an error, and the function is terminated. I want it to rather print a message into the file. Is there any way to test whether a connection can be opened? Analogous to isOpen something like canOpen... Or would I want to look into the error handling options? By the way, the data is the internet volume used so far, which I want to track regularly (on every R-Start via Rprofile). My brother (a computer schientist in progress) did not know a solution, so I set out to try this with R - which I go...