Note that the 'HMP' (i.e. human readable) version of the monitor can change, so using it in non-trivial scripts is probably a bad idea. The QMP (Json mode) has

Note that the 'HMP' (i.e. human readable) version of the monitor can change, so using it in non-trivial scripts is probably a bad idea. The QMP (Json mode) has proper deprecation and fixed behaviour. For HMP we just try and make stuff easy for people driving it themselves for debug etc, so the output can change if it makes it easier to read, add more info or whatever. [HMP maintainer, although very little changes these days!]