bash Script to install maven on open Suse Leap ver 15.1

#!/usr/bin/sh

## Dont forget to chmod the script  using  chmod +x <name  you saved this as>.sh   or what ever you saved this as with
## extension sh
## executing script is done like this ./<name  you saved this as>.sh

clear
echo "Script to install Maven on opens SUSE Linux Leap version 15.1 MD Harrington 2 Feb 2020 please wait "
echo
sleep 2s
echo "Please note !! Maven is not included in thier open source repositories "
echo
echo "Do not under any circumstances use the openSUSE  one click install  you will wind up with broken packages  !!  Yes it is that good !! "

sleep 8s
clear
echo ,"Now starting to install please wait until you  are prompted with done ! "

clear
echo "Tarball for Maven is now about to be  downloaded from Apache "

wget http://ftp.byfly.by/pub/apache.org/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz

sleep 5s

clear

echo "Unzipping tarball to /opt"

sudo tar -xvzf apache-maven-3.3.9-bin.tar.gz -C /opt

sleep 5s

clear

echo "Renaming file apache-maven-3.3.9 to Maven"

sudo mv /opt/apache-maven-3.3.9 /opt/maven
sleep 3s
clear

echo "Altering .bashrc  to refelct path of maven   "

## warning do not alter these next 4 four lines below or you will  overwrite bashrc ##

echo '# =======  maven settings =========' >> ~/.bashrc
echo 'export M2_HOME=/opt/maven/' >>  ~/.bashrc
echo 'export M2=$M2_HOME/bin'>> ~/.bashrc
echo 'export PATH=$M2:$PATH' >> ~/.bashrc

echo "Finished  editing ~/.bashrc  "
sleep 5s
clear

echo "Check and display contents of bashrc file to ensure path was  appended to end of file"
echo

cat ~/.bashrc

sleep 2s
clear

echo "If you can see the Maven version  showing  on your screen   and possibly java version then it all worked "

source ~/.bashrc

mvn -v
sleep 5s
clear

echo " DONE !! Exiting script  Cheers  hopefully that should sort next issue out MD Harrington "

exit -1