[WIP] Simple DataLoader written by bash script
$ export SFDC_PRIVATE_KEY=/path/to/key
$ export SFDC_USERNAME=hoge@example.com
$ export SFDC_AUDIENCE=https://login.salesforce.com
$ export SFDC_ENDPOINT=https://login.salesforce.com
$ export SFDC_CLIENT_ID=xxx$ bash-loader query "SELECT+Id+FROM+Account"