PostgreSQL check config file location

#!/bin/bash

#/postgres/pgscript/postgres-pgdata-LOC.sh

#LastUpdate: #11:35 2021.09.18

################################################

#su - postgres -c 'psql -h 127.0.0.1 -p 5432'

################################################

echo "===================="

echo "PostgreSQL [pgdata] location:..."

su - postgres -c "psql -h 127.0.0.1 -d postgres -c 'show data_directory;'"

echo "===================="

echo "PostgreSQL [config file] location:..."

#SELECT name,setting,category FROM pg_settings WHERE category like '%Locations%';

su - postgres -c "psql -h 127.0.0.1 -d postgres -c \"SELECT name,setting,category FROM pg_settings WHERE category like '%Locations%';\""

#THE_END

#RESULT:
root@srv145:/postgres/pgscript# ./postgres-pgdata-LOC.sh

====================

PostgreSQL [pgdata] location:...

  data_directory  

------------------

 /postgres/pgdata

(1 row)

====================

PostgreSQL [config file] location:...

       name        |             setting              |    category    

-------------------+----------------------------------+----------------

 config_file       | /postgres/pgdata/postgresql.conf | File Locations

 data_directory    | /postgres/pgdata                 | File Locations

 external_pid_file |                                  | File Locations

 hba_file          | /postgres/pgdata/pg_hba.conf     | File Locations

 ident_file        | /postgres/pgdata/pg_ident.conf   | File Locations

(5 rows)