check_nested_filepaths: Check that result filepaths under the root directory exist
Description
Check that result filepaths under the root directory exist
Usage
check_nested_filepaths(file_root, sub_dirs)
Arguments
file_root
Root directory of the data to analyse
sub_dirs
List of the subdirectories that should be under the root
Value
Boolean stating the current status of the pre-execution checks, or FALSE if this check fails