information on its flow tables and ports.
.
.TP
-\fBstatus \fIswitch\fR [\fIkey\fR]
-Prints to the console a series of key-value pairs that report the
-status of \fIswitch\fR. If \fIkey\fR is specified, only the key-value
-pairs whose key names begin with \fIkey\fR are printed. If \fIkey\fR is
-omitted, all key-value pairs are printed.
-.
-.TP
\fBdump\-tables \fIswitch\fR
Prints to the console statistics for each of the flow tables used by
\fIswitch\fR.
.
.TP
\fBadd\-flows \fIswitch file\fR
-Add flow entries as described in \fIfile\fR to \fIswitch\fR's
+Add the flow entries listed in \fIfile\fR, or supplied on \fBstdin\fR
+if \fIfile\fR is \fB\-\fR, to \fIswitch\fR's
tables. Each line in \fIfile\fR is a flow entry in the format
described in \fBFlow Syntax\fR, below.
.