Bash script: Download latest Adobe Reader 11 update installer

download-reader11-update.sh

#!/bin/bash
#
# Download latest Adobe Reader 11 update installer
#

page2=$(curl -s "http://supportdownloads.adobe.com/product.jsp?product=10&platform=Windows" \
    | grep "Adobe Reader 11.*update - All" \
    | head -n 1 \
    | cut -d '"' -f 2)
echo "> $page2"

page3=$(curl -s "http://supportdownloads.adobe.com/$page2" \
    | grep "thankyou.jsp" \
    | cut -d '"' -f 4 \
    | sed 's/&/\&/g')
echo "> $page3"

url=$(curl -s "http://supportdownloads.adobe.com/$page3" \
    | grep "\.msp.*Download" \
    | cut -d '"' -f 4)

wget "$url" -O "${url##*/}"