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From Mike Jumper <>
Subject Re: Working with pipes
Date Wed, 21 Feb 2018 03:33:56 GMT
On Tue, Feb 20, 2018 at 7:23 PM, Nick Couchman <> wrote:

> Is it possible for the client to access the terminal output at either the
>> javascript or java layer?
> So, one thing to keep in mind, here, is that the terminal output from SSH
> and Telnet is transmitted from guacd to the Guacamole Client as an image,
> not as text.  I know it doesn't *seem* like it, particularly since the
> client allows you to select text and copy it to the clipboard (and
> vice-versa), but if you look at the actual data going back and forth, all
> of the screen output, include "text" from the terminal, is image data.  So,
> doing anything with it (parsing, etc.) at the JavaScript layer is probably
> impractical, if not impossible.

Waaaaaait! Guacamole does send images, yes, but there is also an OSC which
temporarily redirects output to a pipe stream:

There is an example of this within guacctl:

- Mike

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