modelCheck that the executable name provided in model,
an input argument to numerous r4ss functions,
does not contain the extension and is available.
check_model(model, mydir = getwd())Name of the Stock Synthesis model file (which has the .exe for
on Windows) in mydir without the extension (if any), e.g.,
"ss" or "ss_win".
The directory where model is located.
A cleaned model name based on the input argument.