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annotate doc/jp/pipe.rst @ 3167:d0fb79f97466

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quick frontends (app): added an "ignore_missing" argument to RemoveListener: normally an error is logged when removeListener is call on a inexisting listener, but sometimes listeners are added only in specific scenarios, and it may be handy to try to delete them without having to explictly check that they have been used.
author Goffi <goffi@goffi.org>
date Wed, 12 Feb 2020 19:44:05 +0100
parents 72583524cfd3
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ==================================================
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2 pipe: send/receive data stream through shell pipes
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3 ==================================================
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4
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5 ``pipe`` commands allow you to send or receive data stream through a Unix shell pipe.
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6 Salut à Toi will create a network connection (using XMPP and Jingle) between you an your
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7 contact.
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8
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9 in
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10 ==
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12 Receive data stream. Data will be send to stdout, so it can be piped out or simply print
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13 to the screen. You can specify bare jids of entities to accept stream for, by default all
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14 streams are accepted.
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16 example
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17 -------
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19 Receive a video stream, and redirect it to mpv_ so show the video::
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20
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21 $ jp pipe in | mpv -
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23 .. _mpv: https://mpv.io/
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25 out
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26 ===
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28 Send data stream. Data comes from stdin, so you may use pipe in something or just write
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29 some text.
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31 The only expected argument is the full jid of the device where the stream must be piped
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32 out.
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33
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34 example
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35 -------
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37 Send a video to louise::
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38
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39 $ jp pipe out louise@example.org/sat < some_video.webm
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41 Send output from ``cal`` command to louise::
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42
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43 $ cal | jp pipe out louise@example.org/sat