> >(4) Put it back as a weekly log with the command:
> >
> >         PUT listname LOG9901A PW=yourpassword
> >         (the log file)
>
> This PUT will not work unless the file listname.LOG9901A already exists.   You
> cannot create arbitrary files on the server via LISTSERV.

Too bad.  Then to use that procedure, it would be necessary to change
the list header, wait for a weekly archive file to be created, and then
combine the monthly file into the weekly file and delete the monthly
file.