command line wemo switch control

wemo

#!/bin/bash
# 
# Filename: wemo
# Author: Ade
# Created: Tue Jun 16 22:40:58 2015 (+1000)
# Last-Updated: Sat Mar  4 22:52:51 2017 (+1100)
# Description: command line wemo switch control 
# Version: 0.1
# 

# Change Log:
# 

help () {
  echo "Usage: wemo <name|no.> [status|on|off]"
  exit
}

HOST="${0##*/}"

WEMO1='172.16.0.91'
WEMO2='172.16.0.92'

case $HOST in
  'wemo')
    case $1 in
      '1'|'lab')
        IP="$WEMO1"
        shift
        ;;
      '2'|'ps4')
        IP="$WEMO2"
        shift
        ;;
      *)
        help
        ;;
    esac
    ;;
  'wemo1')
    IP="$WEMO1"
    ;;
  'wemo2')
    IP="$WEMO2"
    ;;
  *)
    help
    ;;
esac

case $1 in
  'status')
    (curl -A '' -X POST \
    -H 'Content-type: text/xml; charset="utf-8"' \
    -H 'SOAPACTION: "urn:Belkin:service:basicevent:1#GetBinaryState"' \
    -s http://$IP:49153/upnp/control/basicevent1 \
    -d@- <<EOF 
    <?xml version="1.0" encoding="utf-8"?>
    <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
     s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
      <s:Body>
        <u:GetBinaryState xmlns:u="urn:Belkin:service:basicevent:1"/>
      </s:Body>
    </s:Envelope>
EOF
    ) | sed -n 's/<BinaryState>\(.\)<\/BinaryState>/\1/p' | \
        sed -e 's/1/On/' -e 's/0/Off/' | tr -cd [:alnum:];echo
    ;;
  'on')
    curl -A '' -X POST \
    -H 'Content-type: text/xml; charset="utf-8"' \
    -H 'SOAPACTION: "urn:Belkin:service:basicevent:1#SetBinaryState"' \
    -s http://$IP:49153/upnp/control/basicevent1 \
    -o /dev/null \
    -d@- <<EOF 
    <?xml version="1.0" encoding="utf-8"?>
    <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
     s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
      <s:Body>
        <u:SetBinaryState xmlns:u="urn:Belkin:service:basicevent:1">
          <BinaryState>1</BinaryState>
         </u:SetBinaryState>
      </s:Body>
    </s:Envelope>
EOF
    ;;
  'off')
    curl -A '' -X POST \
    -H 'Content-type: text/xml; charset="utf-8"' \
    -H 'SOAPACTION: "urn:Belkin:service:basicevent:1#SetBinaryState"' \
    -s http://$IP:49153/upnp/control/basicevent1 \
    -o /dev/null \
    -d@- <<EOF 
    <?xml version="1.0" encoding="utf-8"?>
    <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
     s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
      <s:Body>
        <u:SetBinaryState xmlns:u="urn:Belkin:service:basicevent:1">
          <BinaryState>0</BinaryState>
         </u:SetBinaryState>
      </s:Body>
    </s:Envelope>
EOF
    ;;
  *)
    help
    ;;
esac