read_utf8: Read / write files encoded in UTF-8
In xfun: Supporting Functions for Packages Maintained by 'Yihui Xie'

Read or write files, assuming they are encoded in UTF-8. read_utf8() is roughly readLines(encoding = 'UTF-8') (a warning will be issued if non-UTF8 lines are found), and write_utf8() calls writeLines(enc2utf8(text), useBytes = TRUE).

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read_utf8(con, error = FALSE)

write_utf8(text, con, ...)

`con`	A connection or a file path.
`error`	Whether to signal an error when non-UTF8 characters are detected (if `FALSE`, only a warning message is issued).
`text`	A character vector (will be converted to UTF-8 via `enc2utf8()`).
`...`	Other arguments passed to `writeLines()` (except `useBytes`, which is `TRUE` in `write_utf8()`).