Create a list of runs that we can traverse

create_run_list(runs, psm_dir = ".", check_psm_files = FALSE)

Arguments

runs

A list of lists. Each inner lists has an element named 'psm' that holds the psm string, and elements named using three letter crop acronyms, as used in FOCUS_PELMO_crops, that hold character vectors of three letter scenario acronyms as used in FOCUS_GW_scenarios_2012.

psm_dir

The directory where the psm files are located

check_psm_files

Should we check if the psm file exists