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Editorial Team
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Asked: 2026-06-05T19:36:10+00:00

During the installation of my app, I want to create a PostgreSQL-Database and some

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During the installation of my app, I want to create a PostgreSQL-Database and some tables and functions.

For that purpose I use PSQL.EXE that ships with PostgreSQL. I have 2 scripts. The first one creates the database and a corresponding user that has rights to execute scripts on that database. I want to execute the second script as this just created user. Unfortunately I can’t find a way to pass the password for that user as a command line argument. Omitting the password leads to a stop of execution and a prompt for the user to enter the password, which I would like to avoid – since this is executed during installtion of my app.

Is there any way to pass the password as argument or is there any other command line tool I could use?

To explain the environment a bit further. I use WiX 3.5 setup as a “MSI-Builder”.

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1 Answer

  1. Editorial Team

    You can either use a pgpass file as dbenhur answerd, or you can set the environment variable PGPASSWORD before calling psql:

    SET PGPASSWORD=my_very_secret_password
psql somedb someuser

    All supported environment variables are documented in the manual: http://www.postgresql.org/docs/current/static/libpq-envars.html

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