flatterer
dasel
flatterer | dasel | |
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14 | 44 | |
165 | 4,877 | |
- | - | |
6.6 | 8.1 | |
3 months ago | 17 days ago | |
Rust | Go | |
MIT License | MIT License |
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flatterer
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How to convert a massive JSON into CSV
This tool was built for this purpose https://github.com/kindly/flatterer
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Show HN: Flatterer Lite, A Rust WASM JSON to tabular converter, for nested data
I have been working on this Rust based JSON flattener (https://github.com/kindly/flatterer) to XLSX/CSV/SQLITE/PARQUET/POSTGRES for about 2 years. I finally made a WASM based one for CSV/XLSX which is really easy to play with. You can use it via a url (if the data has CORS headers), for example https://lite.flatterer.dev?url=https%3A%2F%2Fdummyjson.com%2....
The main difference with other converters/flatteners is that for one-to-many relationships (lists of objects in JSON) it produces a multi table output with keys to help join the tables together. Essentially produces a relational schema, along with some type information, of the JSON provided. For simple non-nested JSON it works too, but is a bit overkill.
Its all opensource and free, and I think that it will become more and more useful as JSON/Graphql APIs proliferate.
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Create table from JSON
flatterer is the easiest option and will do this for you. It will also load the data into a sqlite or postgres database for you.
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Robust Rust Library for Converting JSON Objects into CSV Rows
I have also written something similar but higher level flatterer which is python but is a binding to libflatterer. Its main difference is when there is a list of objects it treats it a one to many and creates a separate CSV file.
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Flatten a massive json file
flatterer (github) is designed for this.
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Simple GUI tool to query JSON or CSV databases [I have no coding skills]
This looks great and using duckdb as a backend us a great choice. For JSON I suggest using flatterer https://flatterer.opendata.coop/ . Which will convert most JSON into CSV/Parquet with very little technical knowledge.
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Rust for Data Engineering
My project flatterer (used for flattening JSON into tables) also is mainly a python cli/libarary but is written in Rust for speed/memory efficiency and better concurrency.
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JSON Processing
I have been working on a similar tool for the last while called flatterer (github). It has a similar aim and works with most kinds of JSON well (but not very well with top level objects like yours).
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Stream processing - Nested JSON to Parquet
You could try Option B with flatterer https://flatterer.opendata.coop/ which purpose is to convert nested JSON into other formats without a schema upfront including parquet.
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Turning JSON arrays into tables - Data flattening
flatterer docs (github)
dasel
- jq 1.7 Released
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Dasel - jq for yaml json and toml
wget https://github.com/TomWright/dasel/releases/download/v2.1.2/dasel_linux_amd64 install -o root -g root -m 0755 dasel_linux_amd64 /usr/bin/dasel
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Why a world needs an UNIX-style image collection manager?
https://github.com/TomWright/dasel handles JSON, TOML, YAML, XML and CSV
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Tool to interact with CSV
dasel - Comparable to jq / yq, but supports JSON, YAML, TOML, XML and CSV with zero runtime dependencies.
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Yq is a portable yq: command-line YAML, JSON, XML, CSV and properties processor
Another tool in this space is Dasel[1], which can handle querying/modifying JSON, YAML, TOML, XML and CSV files.
[1] https://github.com/TomWright/dasel
- Jc – JSONifies the output of many CLI tools
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What are your coolest tools for one-liners ?
There also is dasel which combine jq, yq as well handling TOML, XML and CSV
- Run SQL on CSV, Parquet, JSON, Arrow, Unix Pipes and Google Sheet
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What is the coolest Go open source projects you have seen?
dasel # most common human readable configs(json, yaml, xml...)
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How to grep a specific field from curl output
I have recently switched to Dasel (https://github.com/TomWright/dasel ) due to its ability to work not only with JSON but also with other formats.
What are some alternatives?
json2csv - command line tool to convert json to csv
jq - Command-line JSON processor [Moved to: https://github.com/jqlang/jq]
libflatterer - Lib flatterer: A lib to make JSON flatterer
yq - Command-line YAML, XML, TOML processor - jq wrapper for YAML/XML/TOML documents
miller - Miller is like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON
flatten-tool - Tools for generating CSV and other flat versions of the structured data
kubectl-jq - Kubectl plugin that works like "kubectl get" but runs everything through a JQ program you provide
Go Metrics - Go port of Coda Hale's Metrics library
json-roller - Command line tool for converting json data structures to tables
jq - Command-line JSON processor