Is there a "line continuation character" available for commands that are read from file?

Instead of a single line in the file that is several hundred characters long and difficult to edit ... e.g. a complex Roo Entity or Field command ...

Code:
command --parm1 value --parm2 value --parm3 value --parm4 value --parm5 value --parm6 value --parm7 value --parm8 value --parm8 value --parm10 value --parm11 value --parm12 value --parm12 value
... the ability to do something like this, at least in my opinion, would be nice and much easier to maintain ...

Code:
command --parm1 value ^
        --parm2 value ^
        --parm3 value ^
        --parm4 value ^
        --parm5 value ^
        --parm6 value ^
        --parm7 value ^
        --parm8 value ^
        --parm8 value ^
        --parm10 value ^
        --parm11 value ^
        --parm12 value ^
        --parm12 value
All the character is doing is "escaping" the line terminator ... which is the command line terminator ... that immediately follows it.

Arvid