stats19 (version 3.1.0)

locate_one_file: Pin down a file on disk from four parameters.

Description

Pin down a file on disk from four parameters.

Usage

locate_one_file(
  filename = NULL,
  data_dir = get_data_directory(),
  year = NULL,
  type = NULL
)

Value

One of: path for one file, a message More than one file found or error if none found.

Arguments

filename

Character string of the filename of the .csv to read, if this is given, type and years determine whether there is a target to read, otherwise disk scan would be needed.

data_dir

Where sets of downloaded data would be found.

year

Single year for which file is to be found.

type

One of: 'Collision', 'Casualties', 'Vehicles'; ignores case.

Examples

# \donttest{
locate_one_file()
locate_one_file(filename = "Cas.csv")
# }