[erlang-bugs] Misleading docs or implementation of file:read/2 and friends

[Anthony Ramine]

Le 3 mars 2015 à 17:15, Dan Gudmundsson <dgud@REDACTED> a écrit :

> I took at file:read_line issue, and thought about it :-)
> 
> IMHO it should behave as file:read/2 does and how it is documented. 
> i.e. return {error, {no_translation, unicode, latin1}} for both binary and list mode 
> when encoding is set to unicode and reading non latin1 code points.
> (Which is confusing but that is how it is intended/documented, 
>  use io module for translating non latin1 codepoints).

The problem is that file uses io in read/2 itself, calling io:request/2,
which ultimately invariably converts the response to Unicode.