Re: [SQL] How would I get rid of trailing blank line?

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От Andrew Dunstan
Тема Re: [SQL] How would I get rid of trailing blank line?
Дата
Msg-id 49D56798.3090402@dunslane.net
обсуждение исходный текст
Ответ на Re: [SQL] How would I get rid of trailing blank line?  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:
> "Tena Sakai" <tsakai@gallo.ucsf.edu> writes:
>   
>> I often use a line like:
>>   psql -tf query.sql mydatabase > query.out
>>     
>
>   
>> -t option gets rid of the heading and count
>> report at the bottom.  There is a blank line
>> at the bottom, however.  Is there any way to
>> have psql not give me that blank line?
>>     
>
> Doesn't look like it --- the final fputc('\n', fout); seems to be
> done unconditionally in all the output formats.  I wonder if we should
> change that?  I'm afraid it might break programs that are used to it :-(
>
>
>   

Right. There's a simple pipeline way to get rid of it:
   psql -t -f query.sql | sed -e '$d' > query.out


cheers

andrew


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