Open a file in Gimp from the command line

[Ofnuts]

Gimp should come to the forefront but with the image. You can anyway force Gimp to start a new independent Gimp instance using the -n (or --new-instance parameter) to make it use a new instance.

I can only recommend you to check the docs (or just gimp --help...) for other parameters that are useful when running in batch (-i, -v, -d...).