Locates a requested information file, searching the
information file path. If the requested file cannot be found and
required is not false, stops with an error.
Usage
locate_information_file(name, path)
Arguments
- name
A string: the name of the file, e.g., thresholds_biota.csv
- path
A vector of strings, directories to search. The information directory
for the package is automatically searched if we haven't found the
file anywhere else
Value
A string, the absolute path for the file, or NULL if the file
cannot be found anywhere.