Tethered shooting with a DSLR (shooting directly to a connected computer via a USB cable) on Linux is very, very easy, assuming you have gphoto installed.
gphoto2 --capture-tethered
And start shooting away! However, I wanted to be a bit cleverer and improve my workflow slighty to overcome a few shortcomings. I wanted to:
- Shoot raw
- Display the last shot full-screen.
- Not clobber existing files if I re-ran the tether.
it turns out that this is all easy to do with a small bash script and gphoto’s “hook” capabilities. I knocked up the following based upon the sample distributed with gphoto and called it hook.sh.
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