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From: Svein Halvor Halvorsen <svein.h@lvor.halvorsen.cc>
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To: Andrew Pantyukhin <infofarmer@FreeBSD.org>
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Cc: Giorgos Keramidas <keramida@ceid.upatras.gr>,
	Juri Mianovich <juri_mian@yahoo.com>, freebsd-questions@freebsd.org
Subject: Re: help with text-append over SSH ? - dd: unknown operand >>
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>>>> I want to append the contents of a local text file
>>> to the contents of
>>>> a remote text file, over SSH.

:

Andrew Pantyukhin wrote:
> cat file1 | ssh user@host "dd -of file2"

That will replace the contents of file2, not append it. Also it
should be "dd of=file1". However, you can use "seek=n" to append,
like this:

cat file1 | ssh remote "dd of=file2 seek=n"

... where n is the length of file2