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Programming language: Crystal
License: MIT License
Tags: Low Level Bindings    

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README

zlib.cr

This library provides binding for ZLib library.

Status

Alpha

Requirements

  • Crystal language version 0.9 and higher.
  • zlib version 1.2.5 or higher

Goal

Provide a simple API to handle Zlib Deflate/Inflate stream and GZFile API.

Usage

An example of using GZFile API:

Zlib::GZFile.open("output.gz", "w") do |f|
  f.puts "hello world!"
end

An example of deflating of a stream of data:

File.open("data.txt", "r") do |src|
  File.open("data.txt.z", "w") do |dst|
    deflate = Zlib::Deflate.new(dst)

    IO.copy(src, deflate)
    deflate.finish
  end
end

and inflating it back:

File.open("data.txt.z", "r") do |src|
  inflate = Zlib::Inflate.new(STDOUT)

  IO.copy(src, inflate)
end

License

MIT clause - see LICENSE for more details.


*Note that all licence references and agreements mentioned in the zlib.cr README section above are relevant to that project's source code only.