Return the appropriate function for reading the specified path/extension

Return the appropriate function for reading the specified path/extension

Usage

file_fn(x, write = FALSE)

Arguments

x

(character) The extension name or the path to the file

write

(logical) Return the writing function? Default FALSE to return the reading function

Value

(function)

See also

Other file IO: col_types(), dep_read(), dep_write(), dir_fn(), dirs, ext(), is_filepath(), last_updated(), list.files2(), load_obj(), make_names(), mkpath(), move_files_to_folder(), needs_update(), object_fn(), object_write(), package_size(), write_dir_fn(), write_lines()

Examples

file_fn("csv")
#> function (con = stdin(), n = -1L, ok = TRUE, warn = TRUE, encoding = "unknown", 
#>     skipNul = FALSE) 
#> {
#>     if (is.character(con)) {
#>         con <- file(con, "r")
#>         on.exit(close(con))
#>     }
#>     .Internal(readLines(con, n, ok, warn, encoding, skipNul))
#> }
#> <bytecode: 0x55c8974a77d0>
#> <environment: namespace:base>
file_fn("csv", write = TRUE)