* [CODE(URI)@en[pipe:]] URL scheme

;; [3] [[ファイルのURL]]、[[ファイル記述子]]も参照。

[REFS[
[FIG(quote)[
[FIGCAPTION[
[1] [CITE@en[FFmpeg Protocols Documentation]]
([TIME[2017-01-22 02:22:36 +09:00]])
<https://ffmpeg.org/ffmpeg-protocols.html#pipe>
]FIGCAPTION]

> UNIX pipe access protocol.
> Read and write from UNIX pipes.
> The accepted syntax is:
> pipe:'''['''number''']'''
> number is the number corresponding to the file descriptor of the pipe (e.g. 0 for stdin, 1 for stdout, 2 for stderr). If number is not specified, by default the stdout file descriptor will be used for writing, stdin for reading.

]FIG]
]REFS]

* 関連

[4] [[名前付きパイプ]]も参照。

* メモ

[2] [CITE@ja[パイプ (コンピュータ) - Wikipedia]]
([TIME[2017-02-04 21:11:25 +09:00]])
<https://ja.wikipedia.org/wiki/%E3%83%91%E3%82%A4%E3%83%97_(%E3%82%B3%E3%83%B3%E3%83%94%E3%83%A5%E3%83%BC%E3%82%BF)>

[5] [CITE[AnyEvent::Util - search.cpan.org]]
([TIME[2018-02-12 20:06:39 +09:00]])
<http://search.cpan.org/dist/AnyEvent/lib/AnyEvent/Util.pm#($r,_$w)_=_portable_pipe>