psql_bin

#!/bin/bash
# check if package is already exist or not
echo "* * * *   Checking if Postgresql Already exist or not   * * * *"
if [ -f /usr/bin/psql ]
then
   echo "PostgreSQL is already installed"
   postgresql_version=`psql --version`
      echo $postgresql_version
else
echo "* * * * * *    Installation of postgresql   * * * * * *"

  echo 'Atualizando o sistema... Whatever this means'
  apt-get update -y
  apt-get upgrade -y
  echo ''

  echo 'Instalando...'
  apt-get install postgresql-14
  apt-get install postgresql-client-14
  echo ''

  echo 'Verifying  status...'
  systemctl status postgresql.service
  echo 'Cool we done here!!!'

  postgresql_version=$(psql --version)
      echo "$postgresql_version"

fi