From: "Ludovic Courtès" <ludo@gnu.org>
To: guile-user@gnu.org
Subject: Re: Guile-zstd 0.1.1 released
Date: Mon, 04 Jan 2021 18:21:19 +0100 [thread overview]
Message-ID: <87k0ssvcs0.fsf@gnu.org> (raw)
In-Reply-To: 8735zqfmte.fsf@web.de
Hi,
"Dr. Arne Babenhauserheide" <arne_bab@web.de> skribis:
> Looking at the readme I get the feeling that two little helpers could be
> useful:
>
> (call-with-zstd-output-file "compressed.zstd"
> (lambda (port)
> (define data
> ;; Read the input file in memory.
> (call-with-input-file "input-file.txt"
> get-bytevector-all))
>
> ;; Write data to PORT.
> (put-bytevector port data)))
>
> (call-with-zstd-input-file "compressed.zst"
> (lambda (port)
> ;; Read decompressed data from PORT.
> ...))
>
> Potentially with streaming added (if that’s possible from the library):
>
> (call-with-zstd-output-file "compressed.zstd"
> (lambda (outport)
> (call-with-input-file "input-file.txt"
> (lambda (inport)
> (let loop ((data (get-bytevector-some inport)))
> (when (not (eof-object? data))
> (put-bytevector outport data)
> (loop (get-bytevector-some inport))))))))
Yeah I kept it minimal; it’s actually the same interface as in
Guile-zlib and Guile-lzlib, which is pretty convenient.
Thanks,
Ludo’.
next prev parent reply other threads:[~2021-01-04 17:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-27 14:01 Guile-zstd 0.1.0 released Ludovic Courtès
2020-12-27 15:00 ` Guile-zstd 0.1.1 released Ludovic Courtès
2020-12-28 6:48 ` Dr. Arne Babenhauserheide
2020-12-28 7:33 ` Guile ports Zelphir Kaltstahl
2021-01-04 17:21 ` Ludovic Courtès [this message]
2021-01-04 19:19 ` Guile-zstd 0.1.1 released Aleix Conchillo Flaqué
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