How can I catch an error when my FTP connection failed

Error using connect (line 32)
Connection refused for "COPER_FRTX".

or

[DGM]

Depends on what you're doing and how you want to do it:

https://www.mathworks.com/help/matlab/error-handling.html

[Walter Roberson]

I was not able to get a connection refused, but what tests I did do seemed to imply that try/catch could work.

[Dimitrios Poulos]

Thanks