Re: Appending \o output instead of overwriting the output file

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От Erik Jones
Тема Re: Appending \o output instead of overwriting the output file
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Msg-id 5AA8F9E6-CBC7-4119-875B-E0B0BD291BE6@engineyard.com
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Ответ на Re: Appending \o output instead of overwriting the output file  (Jasen Betts <jasen@xnet.co.nz>)
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On Feb 19, 2009, at 3:30 AM, Jasen Betts wrote:

> On 2009-02-18, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> John R Pierce <pierce@hogranch.com> writes:
>>> Tom Lane wrote:
>>>> "Brent Wood" <b.wood@niwa.co.nz> writes:
>>>>> Perhaps \o+ as a future fix for this?
>>
>>>> I'd prefer "\o >>file" but maybe I'm too steeped in unix-isms.
>>
>>> \o+ is reasonably consistent with the other \ command usages...
>>
>> Not really; none of the other commands interpret + as meaning
>> "append to
>> an existing file".  They tend to take it as meaning "do something *in
>> addition to* what you normally do", not to do something that is
>> significantly different from the base command.
>
> Yes, also if \o already supports | why not other plumbing symbols
> like >> and for completeness > (also possibly >& filedescriptor?)

I like that.  Specifying other file descriptors (e.g. 2>) and
redirecting output from on fd to another (#>&) would be nice.

Erik Jones, Database Administrator
Engine Yard
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