Java JRE Update Skript Linux. Cloned from https://gitlab.pks.mpg.de/snippets/3

update-java.sh

#!/bin/bash -e

INSTALLPATH=/usr/local/lib/jvm
CREATE_ID_HISTORY=true
ID_HISTROY_FILE=/root/AutoBundleIdHistroy

cd $INSTALLPATH

case $1 in
        x64|amd64)
                link=$(curl -sL http://www.java.com/de/download/manual.jsp | grep --color 'Linux x64 de JRE' | sed -n 's/.*href="\([^"]*\).*/\1/p' | head -n1)
                bid=$(echo $link | sed 's#http://javadl.oracle.com/webapps/download/AutoDL?BundleId=##g')
                if [ x"$(cat latest_AutoBundleIdx64)" != x"$bid" ] || [ x"$2" = x"-f" ]
                then
                        curl -sSL $link | pv -petrab -s $( curl -sIL $link | grep Content-Length | cut -d ' ' -f 2 | tr -d '\n\r') | tar xz
                        rm -v latest || true
                        ln -vs $(ls -dt */ | tr -d '/' | head -n1) latest
                        echo $bid > latest_AutoBundleIdx64
                        $CREATE_ID_HISTORY && echo $bid $link $(ls -dt */ | tr -d '/' | head -n1) $1 >> $ID_HISTROY_FILE
                        chown -R root:root $INSTALLPATH
                else
                        echo Already on Latest Version. Exiting
                fi
                ;;
        i386|x86)
                link=$(curl -sL http://www.java.com/de/download/manual.jsp | grep --color 'Linux de JRE' | sed -n 's/.*href="\([^"]*\).*/\1/p' | head -n1)
                bid=$(echo $link | sed 's#http://javadl.oracle.com/webapps/download/AutoDL?BundleId=##g')
                if [ x"$(cat latest_AutoBundleIdx86)" != x"$bid" ] || [ x"$2" = x"-f" ]
                then
                        curl -sSL $link | pv -petrab -s $( curl -sIL $link | grep Content-Length | cut -d ' ' -f 2 | tr -d '\n\r') | tar xz
                        rm -v latest || true
                        ln -vs $(ls -dt */ | tr -d '/' | head -n1) latest
                        echo $bid > latest_AutoBundleIdx86
                        $CREATE_ID_HISTORY && echo $bid $link $(ls -dt */ | tr -d '/' | head -n1) $1 >> $ID_HISTROY_FILE
                        chown -R root:root $INSTALLPATH
                else
                        echo Already on Latest Version. Exiting
                fi
                ;;
        *)
                echo "Usage $0 [x86|x64] [-f]"
                exit 1
esac