Add pv to send/recv dir

recvdir

@@ -2,10 +2,11 @@
 
 if [ "$#" -ne 2 ]; then
 	echo Recieve an entire directory from the network and save it to the current directory.
+	echo Shows recieving progress via pv. Note that the progress indicator is before compression has been removed.
 	echo Usage:
 	echo "    recvdir ip_address port"
 	exit
 fi
 
-nc $1 $2 | tar xzf -
+nc $1 $2 | pv | tar xzf -
 

senddir

@@ -2,9 +2,10 @@
 
 if [ "$#" -ne 2 ]; then
 	echo Send an entire directory over the network.
+	echo Shows progress via pv - note that progress is measured before compress is added.
 	echo Usage:
 	echo "    senddir directoryname listen_port_number"
 	exit
 fi
 
-tar cf - $1 | gzip | nc -l $2
+tar cf - $1 | pv | gzip | nc -l $2