upgrade_release_version.sh

#!/bin/bash

function usage() {
	echo "  -h help"
	echo "  -o <oldversion>"
	echo "  -n <newversion>"
}

function replace() {

declare -a fileList=("README.md" "pom.xml" "src/main/java/com/adyen/Client.java")
for FILENAME in "${fileList[@]}"

do
  XMLTMPFILE=$FILENAME.bak
  echo "Updating file - $FILENAME"
  cat $FILENAME > $XMLTMPFILE
  sed -i.bak s/${OLDVERSION}/${NEWVERSION}/g $FILENAME
  rm -f $XMLTMPFILE
done
}

while getopts "ho:n:" o; do
    case $o in
        h)
           usage
            ;;
        o)
          OLDVERSION=${OPTARG};;

         n)
          NEWVERSION=${OPTARG};;
    esac
done

echo "Old release version is" $OLDVERSION
echo "New release version is" $NEWVERSION

if [ -z "${OLDVERSION}" ]; then
    echo "Please specify the 'oldversion' argument";
    usage;
    exit 1;
fi

if [ -z $NEWVERSION ]; then
    echo "Please specify the 'newversion' argument";
    usage;
    exit 1;
fi

replace

echo "Finished  ${FILENAME}"
exit $RT