for f in cert dane err http-auth non-ok ok redir req tls tls-auth various warc ; do
    [ -p log-$f ] || mkfifo log-$f
done
for f in accepted http-auth rejected spies tls-auth warcs ; do
    [ -p list-$f ] || mkfifo list-$f
    [ -p del-$f ] || mkfifo del-$f
done
for f in spies tls-auth warcs ; do
    [ -p add-$f ] || mkfifo add-$f
done