connect security.db user sysdba;

set term ^;

EXECUTE BLOCK
AS
    DECLARE VARIABLE FRST VARCHAR(32);
    DECLARE VARIABLE MDDL VARCHAR(32);
    DECLARE VARIABLE LST  VARCHAR(32);
    DECLARE VARIABLE USR VARCHAR(128);
    DECLARE VARIABLE PASSWD VARCHAR(64);
    DECLARE VARIABLE ATTR VARCHAR(4096);
    DECLARE VARIABLE UID  INT;
    DECLARE VARIABLE GID  INT;
    DECLARE VARIABLE SQL  VARCHAR(4096);

BEGIN
  FOR EXECUTE STATEMENT '
      SELECT
          RDB$USER_NAME,
          RDB$PASSWD,
          RDB$FIRST_NAME,
          RDB$MIDDLE_NAME,
          RDB$LAST_NAME,
          RDB$UID,
          RDB$GID
      FROM
          RDB$USERS
      WHERE RDB$USER_NAME IS NOT NULL
        AND UPPER(RDB$USER_NAME) != ''SYSDBA''
      '
      ON EXTERNAL DATA SOURCE 'localhost:D:\fb\data\security2.fdb'
      AS USER 'SYSDBA' password 'masterkey' 
      INTO :USR,
           :PASSWD,
           :FRST,
           :MDDL,
           :LST,
           :UID,
           :GID

  DO
  BEGIN
    SQL = '
    INSERT INTO PLG$USERS(
       PLG$USER_NAME,
       PLG$PASSWD,
       PLG$FIRST_NAME,
       PLG$MIDDLE_NAME,
       PLG$LAST_NAME,
       PLG$UID,
       PLG$GID)
    VALUES(';
    SQL = SQL || '''' || USR || '''';
    SQL = SQL || ',''' || PASSWD || '''';
    SQL = SQL || ',' || COALESCE('''' || FRST || '''', 'NULL');
    SQL = SQL || ',' || COALESCE('''' || MDDL || '''', 'NULL');
    SQL = SQL || ',' || COALESCE('''' || LST || '''', 'NULL');
    SQL = SQL || ',' || COALESCE(UID, 'NULL');
    SQL = SQL || ',' || COALESCE(GID, 'NULL');
    SQL = SQL || ')';
    EXECUTE STATEMENT SQL;
  END
END^

set term ;^

commit;

exit;