#!/bin/bash
URL=http://intertwingly.net/blog/2007/03/15/Confirmed-Google-Hates-XHTML
URL=http://intertwingly.net/blog/

function check {
  local TYPE=`curl -s -I -H "Accept: $1" $URL \
    | grep -i content-type \
    | sed -e "s/;.*//" \
    | sed -e "s/Content-Type:\s*//"`

  if [ $TYPE = $2 ]; then
    echo "PASS: $1 => $TYPE"
  else
    echo "FAIL: $1 => $TYPE"
  fi
}

check "application/xhtml+xml;q=0" text/html
check "application/xhtml+xml" application/xhtml+xml
check "application/*" application/xhtml+xml
check "*/*" application/xhtml+xml
check "text/html" text/html
check "text/html,*/*" text/html