Atom allows you to open files from the command line
If you have Atom installed you can run the atom
command with one or more file paths to open up those files in Atom.
Open up your terminal and run the following command
$ atom --help
You should receive output similar to the following
Atom Editor v1.39.1
Usage:
atom
atom [options] [path ...]
atom file[:line[:column]]
One or more paths to files or folders may be specified. If there is an
existing Atom window that contains all of the given folders, the paths
will be opened in that window. Otherwise, they will be opened in a new
window.
Open Atom and choose the following from the menu bar Atom
-> Install Shell Commands