Add Google Analytics and FB tracking to html files

GAFB

#!/bin/sh

FBCODE_ID='xxxxxxxxxx'
GACODE='xxxxxxxx'

FBBLOCK=$(cat <<EOF
 <!-- Facebook Pixel Code -->
      <script>
      !function(f,b,e,v,n,t,s){if(f.fbq)return;n=f.fbq=function(){n.callMethod?
      n.callMethod.apply(n,arguments):n.queue.push(arguments)};if(!f._fbq)f._fbq=n;
      n.push=n;n.loaded=!0;n.version='2.0';n.queue=[];t=b.createElement(e);t.async=!0;
      t.src=v;s=b.getElementsByTagName(e)[0];s.parentNode.insertBefore(t,s)}(window,
      document,'script','\/\/connect.facebook.net\/en_US\/fbevents.js');
      fbq('init', '${FBCODE_ID}');
      fbq('track', "PageView");
      <\/script>
      <noscript><img height="1" width="1" style="display:none"
      src="https:\/\/www.facebook.com\/tr?id=${FBCODE_ID}&ev=PageView&noscript=1"
      \/><\/noscript>
      <!-- End Facebook Pixel Code -->
EOF
)

GABLOCK=$(cat <<EOF
<script>
  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
  })(window,document,'script','\/\/www.google-analytics.com\/analytics.js','ga');
  ga('create', '${GACODE}', 'auto');
  ga('send', 'pageview');
<\/script>
EOF
)


####################################################3

REPLACER=`echo $FBBLOCK $GABLOCK`

for file in $(find . -name '*.html' -or -name '*.htm' -or -name '*.php');
do

 if ! grep -q ${GACODE} "$file"; then
    sed -e "s/<\/head>/${REPLACER}\\n\\r<\/head>/ig" $file > /tmp/tempfile.tmp
    sudo mv /tmp/tempfile.tmp $file
 fi

done