At
http://www.postgresql.org/docs/current/static/continuous-archiving.html
we say
"""
Many people choose to use scripts to define their archive_command, so
that their postgresql.conf entry looks very simple:
archive_command = 'local_backup_script.sh'
"""
It seems to me, however, that even a simple archive_command like that
ought to contain at least %p, right?
