remdb

A simple in-memory database that can be used as a module or interacted as a stdin - stdout CLI application.

How do I use the CLI?

npm install
node bin/remdb
node bin/remdb < test/test_cli_1.txt

How do I use it as a module?

npm install

Then in your file:

var Remdb = require('../lib/remdb');
var remdb = new Remdb();

remdb.SET('a', 10);
var aVal = remdb.GET('a');

Interface

SET key value

Sets the key to value.

remdb.SET('a', 10);

GET key

Get the value of key. If key has not yet been set, will return NULL.

remdb.GET('a');

UNSET key

Unsets the key's value, it will become null.

remdb.UNSET('a');

NUMEQUALTO value

Get number of keys that are currently set to value.

remdb.NUMEQUALTO(10);

CLEAR

[Module] Clears the database. Only available when included as a module.

remdb.CLEAR();

END

[CLI] Exits remdb. Only available in CLI.

Transaction Commands

BEGIN

Open a new transaction block. Transaction blocks can be nested.

remdb.BEGIN();

ROLLBACK

Collapse latest transaction block (undo what was set after the latest BEGIN).

remdb.ROLLBACK();

COMMIT

Apply and collapse all transaction blocks.

remdb.COMMIT();

Running Tests

Tests are located in test/test.js and uses Mocha with Chai.

npm install
npm test