Do not use FileSystemReadStreams in 1.4, they are not complete and do not work;). Use FileStream instead.
multiByteFileStream := FileStream fileNamed: '/foo/bar.txt'.
multiByteFileStream contents.
MultiByteFileStream, :
multiByteFileStream
"possible values are: #cr #lf #crlf"
lineEndConvention: #cr;
"set a specific converter, see subclasses of TextConverter"
converter: UTF8TextConverter new.