On the bash page at the end of
Readline Command Names
The following is a list of the names of the commands and the default
key sequences to which they are bound. Command names without an accom-
panying key sequence are unbound by default. In the following descrip-
tions, point refers to the current cursor position, and mark refers to
a cursor position saved by the set-mark command. The text between the
point and mark is referred to as the region.
"There is no way to run any of the commands that are not bound to a
keyboard sequence without binding them to a keyboard sequence."
Yes that is right, just to run e.g.,
Print all of the settable readline variables and their values to
the readline output stream. If a numeric argument is supplied,
the output is formatted in such a way that it can be made part
of an inputrc file.
once, one has to bind it to a key.
Why can't there be some
$ run_readline_command dump-variables