#Oracle #JDK|#JRE #fetch #tool for #Gentoo

fetch-java

#!/bin/bash
# input URLs: e.g.: http://www.oracle.com/technetwork/java/javase/downloads/jre-7u1-download-513652.html
# (!) By using this script, you accept some license agreements automatically!
URL_REGEXP='http\:\/\/([a-z0-9]+)(\.[a-z0-9]+)*\/(([0-9a-zA-Z\./]|-)+)'
if [ "$#" == "0" ]; then # no URL given => get them from emerge
	echo Getting URLs from emerge...
	java_packages=$(grep -E '(sun|oracle)-(jre|jdk)' /var/lib/portage/world)
	urls=$(
		emerge -uf -- $java_packages 2>&1 | grep -o -E "$URL_REGEXP"
	)
else # use given urls
	urls=$*
fi

os=$(uname | tr "[:upper:]" "[:lower:]")
machine=$(uname -m | sed s/x86_64/x64/)
echo "Your system: $os-$machine"
echo "Downloading..."
for url in $urls; do # fetch all
	wget --continue --directory-prefix "/usr/portage/distfiles/" -- $(
		wget -nv -O - -- "$url" | grep -- "$os-$machine.tar.gz" | grep -o -E "$URL_REGEXP" # grep the location
	)
done