async_extended has Async_extended.Std.Reader.with_xzip_file

https://ocaml.janestreet.com/ocaml-core/latest/doc/async_extended/Std/Reader.mod/#/with_xzip_file.val

Internally it just invokes xzcat, which may or may not satisfy your
requirements. There's (as far as I know) no provided way to write xz files.

On 9 September 2016 at 03:45, Eric Cooper <ecc@cmu.edu> wrote:

> In approx, I just use a Sys.command call to decompress to a temporary
> file and then open that.  It has these benefits:
>   * for gzip at least, it's faster than camlzip
>   * easily detects corrupted files (reading the output stream of a
>     decompressor doesn't do that until it's too late)
>   * easy to change compression schemes or support multiple ones based
>     on file extension, say
>
> --
> Eric Cooper             e c c @ c m u . e d u
>
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