File paths relative to the root of a directory hierarchy

Append an arbitrary number of path components to the root using base::file.path().

find_root_file(..., criterion, path = ".")

find_rstudio_root_file(..., path = ".")

find_package_root_file(..., path = ".")

find_remake_root_file(..., path = ".")

find_testthat_root_file(..., path = ".")

Arguments

...	Further path components passed to file.path()
criterion	A criterion, will be coerced using as_root_criterion()
path	The start directory

Value

The normalized path of the root as specified by the search criteria, with the additional path components appended. Throws an error if no root is found

Details

The find_root_file() function is a simple wrapper around find_root() that appends an arbitrary number of path components to the root using base::file.path().

See also

find_root() utils::glob2rx() base::file.path()

Examples

# NOT RUN {
find_package_root_file("tests", "testthat.R")
has_file("DESCRIPTION", "^Package: ")$find_file
has_file("DESCRIPTION", "^Package: ")$make_fix_file(".")
# }