streaming-cassava alternatives and similar packages
Based on the "streaming" category.
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streaming
An optimized general monad transformer for streaming applications, with a simple prelude of functions -
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streaming-bytestring
effectful sequences of bytes; an alternative no-lazy-io implementation of Data.ByteString.Lazy -
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streaming-utils
experimental http, attoparsec and pipes material for `streaming` and `streaming-bytestring` -
InfluxDB - Power Real-Time Data Analytics at Scale
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README
streaming-cassava
This library allows you to easily stream CSV data in and out. You can do so using both "plain" record-based (with optional header support) or name-based (header required to determine ordering) encoding/decoding.
All encoding/decoding options are supported, it's possible to automatically add on default headers and you can even choose whether to fail on the first parse error or handle errors on a row-by-row basis.
Errors with readFile
A common use-case is to stream CSV-encoded data in from a file. You
may be tempted to use readFile from streaming-bytestring to obtain
the file contents, but if you do you're likely to run into exceptions
such as hGetBufSome: illegal operation (handle is closed).
The recommended solution is to use the streaming-with package for the IO aspects. You can then write something like:
withBinaryFileContents \"myFile.csv\" $
doSomethingWithStreamingCSV
. 'decodeByName'