How does that work?
it doesn't.
appending one line of code to another uses 3 bytes in the average case, ('command1 | command2') and 1 byte in the case where the command follows a brace ('{ command'), or indeed a brace follows a command.
splitting a line of code over multiple lines always uses at least 2 bytes (CRLF) + 2 spaces of indentation for every new level of brace depth, generally totaling >= 4b.
it should go without saying that this does not mean you should avoid using new lines ;)