SCP from STDIN: "-t" option undocumented?

[Chris Linstid]

Sorry for dragging up a month old thread, but I was looking into this for
something at work and found this blog post that documents how to use the
scp protocol pretty nicely:

http://blogs.oracle.com/janp/entry/how_the_scp_protocol_works

     - Chris


On Thu, Dec 22, 2011 at 4:25 PM, John Abreau <jabr at blu.org> wrote:

> Long ago, I was looking for a way to make scp read from stdin, and I
> had no luck.
>
> Earlier this afternoon, when I was tweaking my "validate-rsync" script to
> add
> support for scp, I discovered that when running the command
>
> > scp foo remote:/path/to/bar
>
>  the remote end gets invoked as
>
> > scp -t /path/to/bar
>
> It seems that the scp process on the local machine establishes an ssh
> connection
> to the remote machine, and then invokes an scp process on the remote
> machine,
> and that remote scp process has to read from stdin.
> When I checked the scp man page, there was no mention of the -t
> option, nor is it
> listed in "scp --help". A google search for "scp -t" didn't locate any
> mention of
> the option, and another google search for "scp from stdin" yielded nothing
> but
> questions of how to do it followed by replies that "scp cannot read
> from stdin".
>
> Is this documented anywhere? I don't understand why the option would be
> left out of the man page.
>
> --
> John Abreau / Executive Director, Boston Linux & Unix
> Email jabr at blu.org / WWW http://www.abreau.net / PGP-Key-ID 0xD5C7B5D9
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