bafi
GJSON
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bafi
- I've just released new version of BaFi-1.0.13(Universal JSON, BSON, YAML, CSV, XML translator to ANY format using templates). Slightly faster and with new unixTime functions (dateToInt, intToDate)
- Hi, I've just released app (BaFi) for converting various input formats (json,bson,yaml,csv,xml) to ANY output format using GO templates and Lua functions. I will be happy for any ideas what could be done better :) files or stdin/stdout, works nicely with curl
- Hi, I've just released app (BaFi) for converting various input formats (json,bson,yaml,csv,xml) to ANY output format using go templates and Lua functions https://mmalcek.github.io/bafi/ I will be happy for any ideas what could be done better :)
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Getting specific nested JSON values
Check my project https://mmalcek.github.io/bafi/ maybe it would help you better understand to interfaces ;)
- Hi, I've created simple tool for convert JSON, BSON, YAML, CSV, XML to ANY output format using templates and Lua functions
- Convert various formats (json,bson,yaml,csv,xml) to any output format using templates
- convert various formats (json,bson,yaml,csv,xml) to any output format using templates
GJSON
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Rob Pike: Gobs of data (2011)
Someone made a benchmark of serialization libraries in go [1], and I was surprised to see gobs is one of the slowest ones, specially for decoding. I suspect part of the reason is that the API doesn't not allow reusing decoders [2]. From my explorations it seems like both JSON [3], message-pack [4] and CBOR [5] are better alternatives.
By the way, in Go there are a like a million JSON encoders because a lot of things in the std library are not really coded for maximum performance but more for easy of usage, it seems. Perhaps this is the right balance for certain things (ex: the http library, see [6]).
There are also a bunch of libraries that allow you to modify a JSON file "in place", without having to fully deserialize into structs (ex: GJSON/SJSON [7] [8]). This sounds very convenient and more efficient that fully de/serializing if we just need to change the data a little.
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1: https://github.com/alecthomas/go_serialization_benchmarks
2: https://github.com/golang/go/issues/29766#issuecomment-45492...
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3: https://github.com/goccy/go-json
4: https://github.com/vmihailenco/msgpack
5: https://github.com/fxamacker/cbor
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6: https://github.com/valyala/fasthttp#faq
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7: https://github.com/tidwall/gjson
8: https://github.com/tidwall/sjson
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Jj: JSON Stream Editor
```
I don't think there is a way to sort an array, though. However, there is an option to have keys sorted. Personally, I don't think there is much annoyance in that. One could just pipe `jj` output to `sort | uniq -c`.
[0]: https://github.com/tidwall/gjson/blob/master/SYNTAX.md
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Library to analyze an arbitrary JSON string
I’m using GJSON, so far so good!
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Mapping json fields in api calls to a struct to store them in a database or cache
If the fields you need are just a small subset of the whole json, maybe https://github.com/tidwall/gjson might be of use to read only those (using jsonpath) without needing to create complete corresponding structs.
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Which CPU to buy based on profiling
Thank you for the reminder, it's never too much of it :) Didn't say it, but the code was pprof-iled many times and i can really say it's well optimized. I use own libraries with on-the-fly equations (sums, avgs, emas, stds, ...) wherever possible and also made custom json parser as json messages are in fixed format, so the parser is about 10x faster than gjson. I optimized it to the point that I avoided using maps, and rather iterate via slice where ever possible.
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Jetro - transform and query JSON format
You are right, for learning purposes this fit my needs, but I can imagine an approach similar to this repo: https://github.com/tidwall/gjson
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Any way to convert unknown/dynamic json to generic object structure
https://github.com/tidwall/gjson is a relatively sensible library if this is something you need to deal with and the structure is actually unknowable.
- Need help with getting the grandchild in nested JSON
- Double down on python or learn Go
- Ad hoc JSON parsing
What are some alternatives?
enca - Minimal cgo bindings for libenca
jsoniter - A high-performance 100% compatible drop-in replacement of "encoding/json"
JSON-to-Go - Translates JSON into a Go type in your browser instantly (original)
go-json - Fast JSON encoder/decoder compatible with encoding/json for Go
align - A general purpose application and library for aligning text.
intrinsic
Cinchoo ETL - ETL framework for .NET (Parser / Writer for CSV, Flat, Xml, JSON, Key-Value, Parquet, Yaml, Avro formatted files)
gojson - Automatically generate Go (golang) struct definitions from example JSON
jsoncolor - Colorized JSON output for Go https://godoc.org/github.com/nwidger/jsoncolor
hub - A command-line tool that makes git easier to use with GitHub.
toml - TOML parser for Golang with reflection.
ngrok - Unified ingress for developers