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JSON Lines

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JSON Lines is a data notation created in 2013 by Ian Ward.

#842on PLDB 11Years Old
Download source code:
git clone https://github.com/wardi/jsonlines
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JSON Lines is a convenient format for storing structured data that may be processed one record at a time. It works well with unix-style text processing tools and shell pipelines. It's a great format for log files. It's also a flexible format for passing messages between cooperating processes.


Example from the web:
["Name", "Session", "Score", "Completed"] ["Gilbert", "2013", 24, true] ["Alexa", "2013", 29, true] ["May", "2012B", 14, false] ["Deloise", "2012A", 19, true]

Language features

Feature Supported Example Token
Booleans ✓ true false

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