Also a physics PhD student. I never touched CS as un undergrad, but I got very interested in writing software as an undergrad when I started in an experimental

Also a physics PhD student. I never touched CS as un undergrad, but I got very interested in writing software as an undergrad when I started in an experimental HEP group (I've never taken any formal programming courses). I don't completely regret going to grad school even though I often think about the likelihood that I leave physics when I graduate to get a job in software development. I also dislike the academic system - and that's the biggest contributor to that likelihood to leave for the software industry being high. The physics itself is no longer _incredibly_ interesting to me, but I can't shake the data analysis itch ;)