# Zstream
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[![Hex.pm](https://img.shields.io/hexpm/v/zstream.svg)](https://hex.pm/packages/zstream)
An elixir library to create ZIP file in a streaming fashion. It could
consume data from any stream and write to any stream with constant
memory overhead
## Example
```elixir
Zstream.zip([
Zstream.entry("report.csv", Stream.map(records, &CSV.dump/1)),
Zstream.entry("catfilm.mp4", File.stream!("/catfilm.mp4", [], 512), coder: Zstream.Coder.Stored)
])
|> Stream.into(File.stream!("/archive.zip"))
|> Stream.run
```
```elixir
File.stream!("archive.zip", [], 512)
|> Zstream.unzip()
|> Enum.reduce(%{}, fn
{:entry, %Zstream.Entry{name: file_name} = entry}, state -> state
{:data, data}, state -> state
{:data, :eof}, state -> state
end)
```
see [documenation](https://hexdocs.pm/zstream/) for more information.