├── .gitignore
├── cli.js
├── package.json
├── readme.md
└── test.json


/.gitignore:
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1 | node_modules
2 | .DS_Store


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/cli.js:
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1 | #!/usr/bin/env node
2 | var streamStatistics = require('stream-statistics')
3 | var ndjson = require('ndjson')
4 | 
5 | process.stdin
6 |   .pipe(ndjson.parse())
7 |   .pipe(streamStatistics())
8 |   .pipe(ndjson.serialize())
9 |   .pipe(process.stdout)


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/package.json:
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 1 | {
 2 |   "name": "jsonstats",
 3 |   "version": "1.0.0",
 4 |   "description": "cli for ndjson based streaming summary statistics on numbers",
 5 |   "main": "index.js",
 6 |   "bin": {
 7 |     "jsonstats": "cli.js"
 8 |   },
 9 |   "repository": {
10 |     "type": "git",
11 |     "url": "git+https://github.com/maxogden/jsonstats.git"
12 |   },
13 |   "keywords": [],
14 |   "author": "",
15 |   "license": "BSD-2-Clause",
16 |   "bugs": {
17 |     "url": "https://github.com/maxogden/jsonstats/issues"
18 |   },
19 |   "homepage": "https://github.com/maxogden/jsonstats#readme",
20 |   "dependencies": {
21 |     "ndjson": "^1.5.0",
22 |     "stream-statistics": "^0.4.0"
23 |   }
24 | }
25 | 


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/readme.md:
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 1 | # jsonstats
 2 | 
 3 | install with `npm i jsonstats -g`
 4 | 
 5 | pipe [ndjson](https://npmjs.org/ndjson) numbers into `jsonstats` and you'll get summary statistics on `stdout` when the stream is done
 6 | 
 7 | ## example
 8 | 
 9 | ```
10 | ~/src/js/jsonstats 🐈  cat test.json | jsonfilter num | jsonstats 
11 | {"max":4,"min":1,"n":4,"_geometric_mean":24,"_reciprocal_sum":2.083333333333333,"mean":2.5,"ss":5,"sum":10,"_seen_this":1,"_mode":1,"_mode_valid":true,"variance":1.25,"standard_deviation":1.118033988749895,"geometric_mean":2.2133638394006434,"harmonic_mean":1.9200000000000004,"mode":1,"_max_seen":1,"_last":4}
12 | ```


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/test.json:
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1 | {"num": 1}
2 | {"num": 2}
3 | {"num": 3}
4 | {"num": 4}


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