speed test by ping

lan_speed.fish

function lan_speed
    set -l host $argv[1]
    echo 'host ' $host

    set -l size $argv[2]
    echo 'size ' $size

    set -l count $argv[3]
    echo 'count ' $count

    set -l datasize (math $size'*2')
    echo 'datasize ' $datasize

    set -l pings 'sudo ping -c '$count' -s '$size' '$host' | grep avg | cut -d\/ -f5'
    echo 'pingcmd '$pings

    set -l timems (eval $pings)
    echo 'timems '$timems 'ms'

    set -l time (math -s6 $timems'/1000')
    echo 'time 0'$time 's'

    set -l byteps (math -s6 $datasize/$time)
    echo 'Bps ' $byteps 'Bps'

    set -l bps (math $byteps'*8')
    echo 'bps ' $bps 'bps'

    set -l kBps (math -s3 $byteps'/1024')
    echo 'kBps ' $kBps 'kBps'
    set -l MBps (math -s3 $kBps'/1024')
    echo 'MBps ' $MBps 'MBps'

    set -l kbps (math -s3 $kBps'*8')
    echo 'kbps ' $kbps 'kbps'
    set -l Mbps (math -s3 $MBps'*8')
    echo 'Mbps ' $Mbps 'Mbps'
end