Popen
.__readLine = readLine
TODO MISSING DOCUMENTATION
.__write = write
TODO MISSING DOCUMENTATION
.new (cmd, mode)
Create a new pipe with the given cmd executed in another process. Mode can be either 'r' (read) or 'w' (write). Default is 'r'.
TODO implement bidirectional pipes.
:readLine ()
Read a line. Returns a string or nil on EOF.
:write (str)
Write a string to a file.
TODO
PopenTODO MISSING DOCUMENTATION
PopenTODO MISSING DOCUMENTATION
PopenTODO implement bidirectional pipes.