| #!/usr/bin/env bashDB_INITIALISED="/opt/oracle/oradata/dbinit"#[ -f ${DB_INITIALISED} ] && exit#touch ${DB_INITIALISED}if [ -f ${DB_INITIALISED} ]; then  echo 'File exists. Standards for have been Init'  exitelse  echo 'File does not exist. Standards for first time Strart up this DB'  "$ORACLE_HOME"/bin/sqlplus -s "/ as sysdba" @"/opt/oracle/scripts/startup/init_user.script";   touch ${DB_INITIALISED}fi
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