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+# Usage
+
+## Authentication
+
+Do not forget to create and/or edit `~/.pgpass` file providing all needed passwords for each host:
+
+The format is the following:
+```csv
+hostname:port:database:username:password
+```
+
+Example
+
+```csv
+localhost:5432:*:postgres:pg_password_1
+localhost:5433:*:postgres:pg_password_2
+```
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