Ren

Ren is a data notation created in 2013.

#1246on PLDB

11Years Old

Ren is a lightweight data-exchange text format. It is programming language independent with familiar conventions. Whitespace separates values, but is not significant beyond that. Ren has two main data structures: An ordered group of values, called a list; A collection of name/value pairs, called a map

Ren website
Ren specs
Ren first developed in Pointillistic Software
file extensions for Ren include ren
ren-data.org was registered in 2014
Read more about Ren on the web: 1.

Example from the web:

[]			; empty list
#()			; empty map
[a 1 true #three]	; non-empty list
#(a: 1 b: "two")	; non-empty map
"Ren Example 1"	; string
-42			; number
98.6			; another number
true			; literal true
false		; literal false
none			; literal nil/null/nada
#(			; a bigger map
    quote:	 "禅 saying: ^"仁 rocks!^""
    utf-8:    "^(CE91) to ^(cf89)"
    sci-phi:  0.1618e1
    tax-rate: 3.9%
    price:    $79.99
    url:      http://www.ren-data.org/
    email:    info@ren-data.org
    hashtag:  #ren
    date:     2013-04-17/18:37:39-06:00
    warning:  00:02     ; = 00:00:120.0
    ip-addr:  127.0.0.1
    geo-pos:  43.6x116.7x817
    hex:      16#{DECAFBAD CAFE 00FF}
    base-64:  64#{UmVuIGlzIGRhdGE=}  
)

Feature	Supported	Token	Example
Booleans	✓	true false
Line Comments	✓	;	; A comment
Comments	✓
Semantic Indentation	X

Ren - Data notation

Language features