#!/bin/ksh

# Use local hostname if no remote host specified.

if [[ -e $1 ]]
then
HOST=$1
else
HOST=`hostname`
fi

# I came up with 34 second by putting a crossover
# cable between two gigabit adapters.

echo "A gigabit transfer should take about 34 seconds"
echo "enter a hostname to test remotely"

# The following could be achieved with the time command
# but this solution will yield correct results even
# if your keys aren't setp correctly by getting the
# time from the debug command.

dd if=/dev/zero bs=1048576 count=1024 2>/dev/null \
| ssh -v $HOST dd of=/dev/null 2>&1 | grep Transferred \
| sed 's/^.*bytes\ in//g'