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

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Tena Sakai <tsakai(at)gallo(dot)ucsf(dot)edu>, pgsql-sql(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [SQL] How would I get rid of trailing blank line?
Date: 2009-04-03 01:34:16
Message-ID: 49D56798.3090402@dunslane.net
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Tom Lane wrote:
> "Tena Sakai" <tsakai(at)gallo(dot)ucsf(dot)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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