Save PL/pgSQL output from PostgreSQL to a CSV file

Question

What is the easiest way to save PL/pgSQL output from a PostgreSQL database to a CSV file?

I\'m using PostgreSQL 8.4 with pgAdmin III and PSQL plugin where I run que

Answer 1

I've written a little tool called psql2csv that encapsulates the COPY query TO STDOUT pattern, resulting in proper CSV. It's interface is similar to psql.

psql2csv [OPTIONS] < QUERY
psql2csv [OPTIONS] QUERY

The query is assumed to be the contents of STDIN, if present, or the last argument. All other arguments are forwarded to psql except for these:

-h, --help           show help, then exit
--encoding=ENCODING  use a different encoding than UTF8 (Excel likes LATIN1)
--no-header          do not output a header