Re: psql copy from through bash

From: Jerry Sievers <gsievers19(at)comcast(dot)net>
To: Kirk Wythers <kwythers(at)umn(dot)edu>
Cc: "pgsql-general\(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: psql copy from through bash
Date: 2013-01-11 20:19:41
Message-ID: 87bocv1nhe.fsf@comcast.net
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Kirk Wythers <kwythers(at)umn(dot)edu> writes:

> Can anyone see what I'm misisng? I am trying to run a psql "copy from" command through a bash script to load a buch of cdv files into the same table. I'm getting an error about the file "infile" not existing?
>
> #!/bin/sh
>
> for infile in /path_to_files/*.csv
> do
> cat infile | psql dbname -c "\copy table_name FROM stdin with delimiter as ',' NULL AS 'NA' CSV HEADER"
> done

Well, I don't know what else could be wrong but suggest you get rid of
the backslash as in \copy and just say COPY which is the SQL command.
\copy is a psql macro and I'm not sure it's appropriate here.

And you win the "useless use of cat award" here too.

psql ... <infile

Of course one good reason for preferring cat is that you'll never
type > by mistake instead of < and clobber your data. Er, some shells
have a no-clobber option though.

HTH
> Thanks in advance
>
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--
Jerry Sievers
Postgres DBA/Development Consulting
e: postgres(dot)consulting(at)comcast(dot)net
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