open_message_stream(from_addr, *to_addrs)
Instance Public methods
Opens a message writer stream and gives it to the block. The stream is
valid only in the block, and has these methods:
puts(str = '')
outputs STR and CR LF.
print(str)
outputs STR.
printf(fmt, *args)
outputs sprintf(fmt,*args).
write(str)
outputs STR and returns the length of written bytes.
<<(str)
outputs STR and returns self.
If a single CR (ârâ) or LF (ânâ) is found in the message, it is con