psql & unix env variables

From: "Little, Douglas" <DOUGLAS(dot)LITTLE(at)orbitz(dot)com>
To: "PostgreSQL General (pgsql-general(at)postgresql(dot)org)" <pgsql-general(at)postgresql(dot)org>
Subject: psql & unix env variables
Date: 2012-08-29 17:35:32
Message-ID: 8585BA53443004458E0BAA6134C5A7FBB019562E@EGEXCMB01.oww.root.lcl
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Is there a method for having unix env variables incorporated into a psql sql statement?
Ie
Export var='dev'
Psql =c 'select count(*) from $var.customer;'

Doug Little

Sr. Data Warehouse Architect | Business Intelligence Architecture | Orbitz Worldwide
500 W. Madison, Suite 1000 Chicago IL 60661| Office 312.260.2588 | Fax 312.894.5164 | Cell 847-997-5741
Douglas(dot)Little(at)orbitz(dot)com<mailto:Douglas(dot)Little(at)orbitz(dot)com>
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