Postgresql: Scripting psql execution with password

To answer your question, there are several ways provide a password for password-based authentication:

  1. Via the password prompt. Example: psql -h uta.biocommons.org -U foo Password for user foo:
  2. In a pgpass file. See libpq-pgpass. Format: <host>:<port>:<database>:<user>:<password>
  3. With the PGPASSWORD environment variable. See libpq-envars. Example: export PGPASSWORD=yourpass psql ... # Or in one line for this invocation only: PGPASSWORD=yourpass psql ...
  4. In the connection string The password and other options may be specified in the connection string/URI. See app-psql. Example: psql postgresql://username:password@dbmaster:5433/mydb?sslmode=require

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