4 while read url file junk; do
5 url=$(echo $url | sed -e "s/'//g")
6 url_time=$(date -d "$(curl -sqI ${url} | grep Last-Modified: | sed -e 's/Last-Modified: //')" +%s)
7 if [ ! -f "/var/lib/apt/lists/${file}" ]; then
10 file_time=$(stat -c %Y /var/lib/apt/lists/${file})
11 if [ $url_time -gt $file_time ]; then
18 su nobody -c 'apt-get update -s --print-uris' | grep 'Release ' | parse_dates