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tigerclaw-az/netspeed.sh

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Created June 23, 2014 18:55
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Revisions

  1. Adriano revised this gist Oct 9, 2011. 1 changed file with 36 additions and 22 deletions.
    58 changes: 36 additions & 22 deletions netspeed.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -1,34 +1,40 @@
    #!/usr/bin/env bash
    # bash 4.1.5(1) Linux Ubuntu 10.04 Date : 2011-10-08
    # bash 4.1.5(1) Linux Ubuntu 10.04 Date : 2011-10-09
    #
    # _______________| netspeed : check download speed via command line.
    #
    # Usage: netspeed [URL, tokyo, london, usw, use, east, west]
    # ^default
    # Usage: netspeed [tokyo, london, usw, use, east, west, URL]
    # ^default U.S. west coast.
    # [ -speed_KB/sec ]
    # ^negation activates the Mbps converter.
    #
    # First try it out without any arguments.
    #
    # Dependencies: wget
    # (rate displayed in Kilobytes per second,
    # whereas speed tests usually adopt Megabits.)
    #
    # Example units: Download Speed: 659 kbps (82.4 KB/sec transfer rate)
    # Upload Speed: 317 kbps (39.6 KB/sec transfer rate)
    # kb=kilobits KB=Kilobytes
    # So 0.007813 Mb = 8 kilobits = 1 Kilobyte
    # since 1 Mb = 1024 kilobits = 128 Kilobytes
    # Example units: Download Speed: 659 kbps (82.4 KB/sec transfer rate)
    # Upload Speed: 317 kbps (39.6 KB/sec transfer rate)
    # kb=kilobits KB=Kilobytes
    # So 0.007813 Mb = 8 kilobits = 1 Kilobyte
    # since 1 Mb = 1024 kilobits = 128 Kilobytes
    #
    # Units: b stands for bit and B stands for byte. In the context of
    # data rate units, one byte refers to 8 bits. For example,
    # when a 1 Mbps connection is advertised, it usually means
    # that the maximum achievable download bandwidth is
    # 1 megabit/s (million bits per second), which is actually
    # 0.125 MB/s (megabyte per second), or about
    # 0.1192 MiB/s (mebibyte per second).
    # http://en.wikipedia.org/wiki/Mbit/s#megabit_per_second
    # Units: b stands for bit and B stands for byte. In the context of
    # data rate units, one byte refers to 8 bits. For example,
    # when a 1 Mbps connection is advertised, it usually means
    # that the maximum achievable download bandwidth is
    # 1 megabit/s (million bits per second), which is actually
    # 0.125 MB/s (megabyte per second), or about
    # 0.1192 MiB/s (mebibyte per second).
    # http://en.wikipedia.org/wiki/Mbit/s#megabit_per_second


    # CHANGE LOG get LATEST version from https://bitbucket.org/rsvp/gists/src
    #
    # 2011-10-09 Add rate conversion to Mbps using negated first argument.
    # 2011-10-08 Add URL as possible arg. Clarify rate units.
    # Public as gist to https://gist.github.com/1272488
    # 2011-10-07 First version based on wget, though curl also works:
    # http://stackoverflow.com/questions/426272
    # Command line alternative to http://www.speedtest.net
    @@ -64,13 +70,21 @@ esac



    echo ' :: Rate in Kilobytes/sec; industry usually adopts megabits/sec. '
    echo ' :: 1 Kilobytes/sec (K/s) = 0.007813 megabits/sec (Mbps).'
    echo ' :: [Terminate netspeed by control-C] cf. http://speedtest.net '
    echo ' :: '
    if [ $test = -${test#-} ] ; then
    # ^check for negative sign in the first argument.
    echo "`awk "END { print ($test * -0.007813) }" /dev/null` Mbps"
    # awk as nice floating-point calculator!
    else
    echo ' :: Rate in Kilobytes/sec; industry usually adopts megabits/sec: '
    echo ' :: 1 Kilobytes/sec (K/s) = 0.007813 megabits/sec (Mbps).'
    echo ' :: To convert, use negated rate as first argument to netspeed. '
    echo ' :: [Terminate netspeed by control-C] [ cf. http://speedtest.net ] '
    echo ' :: '
    # MAIN
    wget --output-document=/dev/null $test
    fi

    wget --output-document=/dev/null $test
    # If --output-file was used to log results...
    # If --output-file for wget was used to log results...
    #
    # --2011-10-07 21:38:27--
    # Resolving speedtest.sjc01.softlayer.com... 50.23.64.58
  2. Adriano created this gist Oct 8, 2011.
    107 changes: 107 additions & 0 deletions netspeed.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,107 @@
    #!/usr/bin/env bash
    # bash 4.1.5(1) Linux Ubuntu 10.04 Date : 2011-10-08
    #
    # _______________| netspeed : check download speed via command line.
    #
    # Usage: netspeed [URL, tokyo, london, usw, use, east, west]
    # ^default
    #
    # Dependencies: wget
    # (rate displayed in Kilobytes per second,
    # whereas speed tests usually adopt Megabits.)
    #
    # Example units: Download Speed: 659 kbps (82.4 KB/sec transfer rate)
    # Upload Speed: 317 kbps (39.6 KB/sec transfer rate)
    # kb=kilobits KB=Kilobytes
    # So 0.007813 Mb = 8 kilobits = 1 Kilobyte
    # since 1 Mb = 1024 kilobits = 128 Kilobytes
    #
    # Units: b stands for bit and B stands for byte. In the context of
    # data rate units, one byte refers to 8 bits. For example,
    # when a 1 Mbps connection is advertised, it usually means
    # that the maximum achievable download bandwidth is
    # 1 megabit/s (million bits per second), which is actually
    # 0.125 MB/s (megabyte per second), or about
    # 0.1192 MiB/s (mebibyte per second).
    # http://en.wikipedia.org/wiki/Mbit/s#megabit_per_second


    # CHANGE LOG get LATEST version from https://bitbucket.org/rsvp/gists/src
    #
    # 2011-10-08 Add URL as possible arg. Clarify rate units.
    # 2011-10-07 First version based on wget, though curl also works:
    # http://stackoverflow.com/questions/426272
    # Command line alternative to http://www.speedtest.net

    # _____ Prelims
    set -u
    # ^ unbound (i.e. unassigned) variables shall be errors.
    set -e
    # ^ error checking :: Highly Recommended (caveat: you can't check $? later).
    #
    # _______________ :: BEGIN Script ::::::::::::::::::::::::::::::::::::::::

    site=${1:-'usw'}


    case $site in
    'london') test='http://london1.linode.com/100MB-london.bin' ;;
    'tokyo') test='http://tokyo1.linode.com/100MB-tokyo.bin' ;;
    'usw') test='http://fremont1.linode.com/100MB-fremont.bin' ;;
    # US West: Fremont, California
    'use') test='http://newark1.linode.com/100MB-newark.bin' ;;
    # US East: Newark, New Jersey
    'east') test='http://speedtest.wdc01.softlayer.com/downloads/test500.zip' ;;
    # US East: Washington, D.C.
    'west') test='http://speedtest.sjc01.softlayer.com/speedtest/speedtest/random500x500.jpg' ;;
    # US West: San Jose, California
    *) test=$1 ;;
    # valid URL assumed, else wget will give any error message.
    esac
    # Sources:
    # 2011-10-07 http://www.linode.com/speedtest/ for file URL.
    # http://speedtest.wdc01.softlayer.com for actual testing.



    echo ' :: Rate in Kilobytes/sec; industry usually adopts megabits/sec. '
    echo ' :: 1 Kilobytes/sec (K/s) = 0.007813 megabits/sec (Mbps).'
    echo ' :: [Terminate netspeed by control-C] cf. http://speedtest.net '
    echo ' :: '

    wget --output-document=/dev/null $test
    # If --output-file was used to log results...
    #
    # --2011-10-07 21:38:27--
    # Resolving speedtest.sjc01.softlayer.com... 50.23.64.58
    # Connecting to speedtest.sjc01.softlayer.com|50.23.64.58|:80... connected.
    # HTTP request sent, awaiting response... 200 OK
    # Length: 505544 (494K) [image/jpeg]
    # Saving to: `/dev/null'
    #
    # 0K .......... .......... .......... .......... .......... 10% 80.9K 5s
    # 50K .......... .......... .......... .......... .......... 20% 78.5K 5s
    # 100K .......... .......... .......... .......... .......... 30% 80.8K 4s
    # 150K .......... .......... .......... .......... .......... 40% 78.8K 4s
    # 200K .......... .......... .......... .......... .......... 50% 80.8K 3s
    # 250K .......... .......... .......... .......... .......... 60% 78.5K 2s
    # 300K .......... .......... .......... .......... .......... 70% 78.8K 2s
    # 350K .......... .......... .......... .......... .......... 81% 80.8K 1s
    # 400K .......... .......... .......... .......... .......... 91% 78.5K 1s
    # 450K .......... .......... .......... .......... ... 100% 81.9K=6.2s
    #
    # 2011-10-07 21:38:33 (79.8 KB/s) - `/dev/null' saved [505544/505544]


    exit 0
    # _______________ EOS :: END of Script ::::::::::::::::::::::::::::::::::::::::


    # # Alternative to wget...
    # curl -o /dev/null $test
    # # curl is less verbose than wget. Speed is displayed as bytes per second:
    # #
    # # % Total % Received % Xferd Average Speed Time Time Time Current
    # # Dload Upload Total Spent Left Speed
    # # 0 500M 0 4931k 0 0 80993 0 1:47:53 0:01:02 1:46:51 81520