Command input may span multiple lines for the commands whose names are listed in the
multiline_commands argument to cmd2.Cmd.__init__(). These commands will be executed only after
the user has entered a terminator. By default, the command terminator is ;; specifying the
terminators optional argument to cmd2.Cmd.__init__() allows different terminators. A blank line
is always considered a command terminator (cannot be overridden).
In multiline commands, output redirection characters like > and | are part of the command
arguments unless they appear after the terminator.
When a user types a Multiline Command it may span more than one line of input. The prompt for
the first line of input is specified by the [cmd2.Cmd.prompt][] instance attribute - see
Customizing the Prompt. The prompt for subsequent lines of
input is defined by the cmd2.Cmd.continuation_prompt attribute.
Multiline commands should probably be used sparingly in order to preserve a good user experience for
your cmd2-based line-oriented command interpreter application.
However, some use cases benefit significantly from the ability to have commands that span more than one line. For example, you might want the ability for your user to type in a SQL command, which can often span lines and which are terminated with a semicolon.
We estimate that less than 5 percent of cmd2 applications use this feature. But it is here for
those use cases where it provides value.