AWS DynamoDBtoCSV

This application will export the content of a DynamoDB table into CSV (comma-separated values) output. All you need to do is update config.json with your AWS credentials and region.

The output is comma-separated and each field is enclosed by double quotes ("). Double quotes in the data as escaped as "

This software is governed by the Apache 2.0 license.

Usage

typically, to use you'd run:

node dynamoDBtoCSV.js -t Hourly_ZEDO_Impressions_by_IP > output.csv

or even:

node dynamoDBtoCSV.js -t Hourly_ZEDO_Impressions_by_IP -f output.csv

to export to CSV

Use -d to describe the table prior so you can have an idea of the number of rows you are going to export

node dynamoDBtoCSV.js -t Hourly_ZEDO_Impressions_by_IP -d

to get some information about the table.

Full syntax is:

node dynamoDBtoCSV.js --help
	Usage: dynamoDBtoCSV.js [options]

Options:

	-h, --help               output usage information
	-V, --version            output the version number
	-t, --table [tablename]  Add the table you want to output to csv
	-e, --endpoint [url]     Endpoint URL, can be used to dump from local DynamoDB
	-f, --file [file]        Name of the file to be created
	-d, --describe
	-p, --profile [profile]  Use profile from your credentials file
	-ec --envcreds           Load AWS Credentials using AWS Credential Provider Chain

Pre-requisites

You'll need to install a few modules, including:

• aws-sdk
• commander
• dynamodb-marshaler
• papaparse

npm install

should do it.

Example output

"HashOf10","DateIPAdID","adcount"
"37693cfc748049e45d87b8c7d8b9aacd","2013011720024058205168000000010002","1"
"37693cfc748049e45d87b8c7d8b9aacd","2013011720050084232194000000010002","1"