Setting up DynamoDB

setup_dynamo.sh

#!/bin/bash

DYNAMO_DB_TARBALL='dynamodb_local_latest.tar.gz';
LATEST_DYNAMO_URL='https://s3-us-west-2.amazonaws.com/dynamodb-local/dynamodb_local_latest.tar.gz';

TARGET_DIR="$HOME/Apps"
DYNAMO_ROOT="$TARGET_DIR/dynamodb"

# Download DynamoDB
if ! test -f $DYNAMO_DB_TARBALL; then 
    echo "Lets download $DYNAMO_DB_TARBALL first";
    echo ""
    wget $LATEST_DYNAMO_URL
    clear && printf '\e[3J'
    echo "Run this script again."
    exit 1;
fi

# Setup DynamoDB Folder
if [ ! -d $DYNAMO_ROOT ]; then
  # Control will enter here if $DIRECTORY doesn't exist.
    echo "Creating DynamoDB folder in $DYNAMO_ROOT"
    echo ""
    mkdir -p $DYNAMO_ROOT

    echo "Extracting tarball"
    echo ""
    tar -xvzf $DYNAMO_DB_TARBALL -C $DYNAMO_ROOT
fi

echo ""
echo "Add the following to your .zshrc"
echo ""
if [ -z ${DYNAMO_ROOT+x} ]; then
    echo "export DYNAMO_ROOT=${DYNAMO_ROOT}"
    export DYNAMO_ROOT=$DYNAMO_ROOT
fi

echo 'alias dynamodb-local="java -Djava.library.path=./DynamoDBLocal_lib -jar $DYNAMO_ROOT/DynamoDBLocal.jar -sharedDb -dbPath $DYNAMO_ROOT"'
alias dynamodb-local="java -Djava.library.path=./DynamoDBLocal_lib -jar $DYNAMO_ROOT/DynamoDBLocal.jar -sharedDb -dbPath $DYNAMO_ROOT"
echo ""
echo "run: source .zshrc"

# Final Instructions
echo ""
echo "All setup, run dynamodb-local to start the server"

curl -O instead of wget works out of the box on Mac

Line 34 doesn't echo because it is always defined in the script