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JSONlite

A simple, self-contained, serverless, zero-configuration, json document store.

JSONlite sandboxes the current working directory similar to SQLite. The JSONlite data directory is named jsonlite.data by default, and each json document is saved pretty printed as a uuid.

Requirements

  1. bash
  2. uuidgen
  3. python -m json.tool
  • Alternatively, install yajl for json_reformat or jq to get a roughly 3x performance improvement setting documents.

json_reformat is the fastest of the three. jq comes in at a close second and python -m json.tool is significantly the slowest. If possible, avoid using python -m json.tool.

Installation

git clone https://github.com/nodesocket/jsonlite.git ln -s "$PWD"/jsonlite/jsonlite.bash /usr/local/bin/jsonlite 

Configuration

You may optionally set the path to the data directory. It defaults to $PWD/jsonlite.data but can manually be set with the JSONLITE_DATA_DIR environment variable.

# default export JSONLITE_DATA_DIR="$PWD"/jsonlite.data # manually set the data directory path export JSONLITE_DATA_DIR=/tmp/jsonlite.data 

API/Commands

set

set <json> - Writes a json document and returns the document id

➜ jsonlite set '{"name":"John Doe","active":true,"permissions":{"read":true,"write":false}}' 666B81D6-3F8A-4D57-BA3F-11FA8FC47246 

set also supports piping into it:

echo '{"key":"value"}' | jsonlite set 4472B861-4C10-4C0A-A63B-E5D45AA679C0 
cat foobar.json | jsonlite set 9DF4DC1F-121E-46DC-B580-E1663B645AED 

get

get <document-id> - Retrieves a json document by document id

➜ jsonlite get 666B81D6-3F8A-4D57-BA3F-11FA8FC47246 { "active": true, "name": "John Doe", "permissions": { "read": true, "write": false } } 

count

count - Total number of json documents in the database

➜ jsonlite count 293 

delete

delete <document-id> - Deletes a json document by document id

➜ jsonlite delete 666B81D6-3F8A-4D57-BA3F-11FA8FC47246 

drop

drop (--force) - Drops the database

➜ jsonlite drop Drop database '/tmp/jsonlite.data'? [Y/n] Y 
➜ jsonlite drop --force 

help

help - Displays help

➜ jsonlite help Usage: jsonlite command <command-specific-options> set <json> Writes a json document and returns a document id get <document-id> Retrieves a json document by document id count Total number of json documents in the database delete <document-id> Deletes a json document by document id drop (--force) Drops the database help Displays help version Displays the current version 

version

version - Displays the current version

➜ jsonlite version 1.1.0 

default

default - Displays the current version, configuration, and help

➜ jsonlite JSONlite 1.1.0 set is using: json_reformat (fastest) data directory path: /tmp/jsonlite.data Usage: jsonlite command <command-specific-options> set <json> Writes a json document and returns a document id get <document-id> Retrieves a json document by document id count Total number of json documents in the database delete <document-id> Deletes a json document by document id drop (--force) Drops the database help Displays help version Displays the current version 

Changelog

https://github.com/nodesocket/jsonlite/blob/master/CHANGELOG.md

Support, Bugs, And Feature Requests

Create issues here in GitHub (https://github.com/nodesocket/jsonlite/issues).

Versioning

For transparency and insight into the release cycle, and for striving to maintain backward compatibility, JSONlite will be maintained under the semantic versioning guidelines.

Releases will be numbered with the follow format:

<major>.<minor>.<patch>

And constructed with the following guidelines:

  • Breaking backward compatibility bumps the major (and resets the minor and patch)
  • New additions without breaking backward compatibility bumps the minor (and resets the patch)
  • Bug fixes and misc changes bumps the patch

For more information on semantic versioning, visit http://semver.org/.

License & Legal

Copyright 2017 Justin Keller

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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A simple, self-contained, serverless, zero-configuration, json document store.

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