Is there a good cross-platform (Windows / Linux) C or C++ library for file I/O?

This page summarizes the projects mentioned and recommended in the original post on /r/cpp

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  • llfio

    P1031 low level file i/o and filesystem library for the C++ standard

    There are ten examples of use within https://github.com/ned14/llfio/tree/develop/example which are hopefully self explanatory with a bit of study.

  • mio

    Cross-platform C++11 header-only library for memory mapped file IO (by vimpunk)

    I could, but it's not what I want. For memory mapping there's a nice small cross-platform library called mio.

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    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  • fast_io

    Significantly faster input/output for C++20 (by cppfastio)

    Are you asking fast_io ???

  • libuv

    Cross-platform asynchronous I/O

  • RapidJSON

    A fast JSON parser/generator for C++ with both SAX/DOM style API

    And documentation in most cases is more user-friendly if you will use something like MkDocs(based on Markdown), example http://rapidjson.org/

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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