PathPicker accepts a wide range of input -- output from git commands, grep results, searches -- pretty much anything. After parsing the input, PathPicker presents you with a nice UI to select which files you're interested in. After that you can open them in your favorite editor or execute arbitrary commands.
Jump out my current bash after execution.
Redhat Open tcsh, jump to bash echo $SHELL /bin/tcsh
The way of determining shell is not reliable in fpp.