system_file_linter: Block usage of 'file.path()' with 'system.file()'

In lintr: A 'Linter' for R Code

Block usage of file.path() with system.file()

Description

system.file() has a ... argument which, internally, is passed to file.path(), so including it in user code is repetitive.

Usage

system_file_linter()

Tags

best_practices, consistency, readability

See Also

linters for a complete list of linters available in lintr.

Examples

# will produce lints
lint(
  text = 'system.file(file.path("path", "to", "data"), package = "foo")',
  linters = system_file_linter()
)

lint(
  text = 'file.path(system.file(package = "foo"), "path", "to", "data")',
  linters = system_file_linter()
)

# okay
lint(
  text = 'system.file("path", "to", "data", package = "foo")',
  linters = system_file_linter()
)

lintr documentation built on Nov. 7, 2023, 5:07 p.m.