[Discuss] SCP from STDIN: "-t" option undocumented?

[John Abreau]

That's typical of the workarounds suggested by those who thought that
scp was unable to read from stdin.  My question was really about why
the functionality is undocumented, since scp actually *is* able to
read from stdin,



On Thu, Dec 22, 2011 at 4:33 PM, Thomas Charron <twaffle at gmail.com> wrote:
> Not sure about scp, but you could use:
>
> ssh 192.168.1.2 "cat > destFile"
>
> 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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>
>
>
> --
> -- Thomas



-- 
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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