delete_Database.sh

#!/bin/bash
LC_ALL=C
shopt -s extglob
source "functions"
clear
# source $(pwd)/"functions"

  echo "Enter Database Name you want delete : "
  read database_name


  #validate if name of database is true ..
  case $database_name in
  #validate that the name must have not white spaces..

  *\ *)
    echo "-----------------------------------------------------------------------"
    echo "Invalid database name!! the name must be without no spaces..!! "
    ;;
    #validate that the name must be letters only..
  +([[:digit:]]))
    echo "-----------------------------------------------------------------------"
    echo "Invalid database name!! the name must be letters and do not have whitespaces!!!!!"
    ;;
    #the valid regix for name..
  +([a-zA-Z]))
    #check if tha database exist...
    check_database_exist "$database_name"

    if [ $? -eq 1 ]; then
      #delete database1.
      rm -R $database_name
      echo "Database deleted "
      echo "---------------------------------------------------"
     

    else
      echo "---------------------------------------------------"
      echo "No database with this name "
    fi
    ;;
  *)
    echo "-----------------------------------------------------"
    echo "Invalid database name!! name of database must be lower or upper letters or mix and do not have whitespaces!!!! "
    ;;
  esac
source $(pwd)/DatabaseEngine.sh

 	
source $(pwd)/DatabaseEngine.sh