postgresql 8.1.5 psql -P recordsep='\n' not work

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From: "Denis Lishtovny" <d(dot)lishtovny(at)chronopay(dot)com>
To: <pgsql-bugs(at)postgresql(dot)org>
Subject: postgresql 8.1.5 psql -P recordsep='\n' not work
Date: 2007-04-02 14:48:36
Message-ID: 20070402144653.69F2B9FB71A@postgresql.org
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Lists: pgsql-bugs

Hello All.

I want to output result of query with double newline record separated.

For example:

psql -At -P recordsep="\n\n" -U postgres -c "select generate_series(1,3)"

1

2

3

But my result is:

psql -At -P recordsep="\n\n" -U postgres -d chronopay -c "select
generate_series(1,3)"

1\n\n2\n\n3

Simple newline not work too:

psql -At -P recordsep="\n" -U postgres -d chronopay -c "select
generate_series(1,3)"

1\n2\n3

--------------

psql -At -P recordsep='\n\n' -U postgres -d chronopay -c "select
generate_series(1,3)"

psql -At -R '\n\n' -U postgres -d chronopay -c "select generate_series(1,3)"

psql -At -R "\n\n" -U postgres -d chronopay -c "select generate_series(1,3)"

no resultat

Is it a bug?

p.s. PostgreSQL 8.1.5 on x86_64-unknown-linux-gnu, compiled by GCC gcc (GCC)
3.4.6 20060404 (Red Hat 3.4.6-3)

Thanks.


From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Denis Lishtovny <d(dot)lishtovny(at)chronopay(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: postgresql 8.1.5 psql -P recordsep='\n' not work
Date: 2007-04-02 15:16:13
Message-ID: 20070402151613.GF11358@alvh.no-ip.org
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Denis Lishtovny wrote:
> Hello All.
>
>
>
> I want to output result of query with double newline record separated.
>
> For example:
>
> psql -At -P recordsep="\n\n" -U postgres -c "select generate_series(1,3)"

What this says is that there's no interpolation of escapes in recordsep.
Try putting them literally:

$ psql -At -P recordsep="
>
> " -c "select generate_series(1,3)"
1

2

3

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support


From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-bugs(at)postgresql(dot)org
Cc: "Denis Lishtovny" <d(dot)lishtovny(at)chronopay(dot)com>
Subject: Re: postgresql 8.1.5 psql -P recordsep='\n' not work
Date: 2007-04-02 15:19:35
Message-ID: 200704021719.35848.peter_e@gmx.net
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Am Montag, 2. April 2007 16:48 schrieb Denis Lishtovny:
> I want to output result of query with double newline record separated.
>
> For example:
>
> psql -At -P recordsep="\n\n" -U postgres -c "select generate_series(1,3)"

"\n" is not a newline, it's a "\" followed by an "n". You need to actually
enter two newlines

psql -At -P recordsep="

" -U postgres -c "select generate_series(1,3)"

or figure out how your shell makes escapes available.

--
Peter Eisentraut
http://developer.postgresql.org/~petere/