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diff --git a/lib/sisu/v2/dbi.rb b/lib/sisu/v2/dbi.rb
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+# coding: utf-8
+=begin
+
+ * Name: SiSU
+
+ * Description: a framework for document structuring, publishing and search
+
+ * Author: Ralph Amissah
+
+ * Copyright: (C) 1997 - 2010, Ralph Amissah, All Rights Reserved.
+
+ * License: GPL 3 or later:
+
+   SiSU, a framework for document structuring, publishing and search
+
+   Copyright (C) Ralph Amissah
+
+   This program is free software: you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the Free
+   Software Foundation, either version 3 of the License, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful, but WITHOUT
+   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+   FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+   more details.
+
+   You should have received a copy of the GNU General Public License along with
+   this program. If not, see <http://www.gnu.org/licenses/>.
+
+   If you have Internet connection, the latest version of the GPL should be
+   available at these locations:
+   <http://www.fsf.org/licensing/licenses/gpl.html>
+   <http://www.gnu.org/licenses/gpl.html>
+
+   <http://www.jus.uio.no/sisu/gpl.fsf/toc.html>
+   <http://www.jus.uio.no/sisu/gpl.fsf/doc.html>
+   <http://www.jus.uio.no/sisu/gpl.fsf/plain.txt>
+
+ * SiSU uses:
+   * Standard SiSU markup syntax,
+   * Standard SiSU meta-markup syntax, and the
+   * Standard SiSU object citation numbering and system
+
+ * Hompages:
+   <http://www.jus.uio.no/sisu>
+   <http://www.sisudoc.org>
+
+ * Download:
+   <http://www.jus.uio.no/sisu/SiSU/download.html>
+
+ * Ralph Amissah
+   <ralph@amissah.com>
+   <ralph.amissah@gmail.com>
+
+ ** Description: postgresql module, dbi import frame
+
+=end
+module  SiSU_DBI                                                                 #% database building
+  require "#{SiSU_lib}/help"                               # help.rb
+  require "#{SiSU_lib}/sysenv"                             # sysenv.rb
+    include SiSU_Env; include SiSU_Screen
+  require "#{SiSU_lib}/param"                              # param.rb
+    include SiSU_Param
+  require "#{SiSU_lib}/db_dbi"                             # db_dbi.rb
+    include SiSU_DB_DBI
+  require "#{SiSU_lib}/shared_html_lite"                   # shared_html_lite.rb
+    include SiSU_Format_Shared
+  class SiSU_SQL
+    def initialize(opt)
+      SiSU_Env::Load.new('dbi',true).prog
+      @opt=opt
+      @db=SiSU_Env::Info_db.new
+      if @opt.cmd =~/d/i \
+      or  @opt.mod.inspect =~/--(pg(?:sql)?|(?:sq)?lite)/
+        @sql_type=if @opt.cmd=~/D/ \
+        or @opt.mod.inspect =~/--pg(?:sql)?/
+          maintenance_check(@opt,__FILE__,__LINE__) if @opt.cmd.inspect =~/M/
+          'pg'
+        elsif @opt.cmd =~/d/ \
+        and @opt.mod.inspect =~/--(?:db[=-])?pg(?:sql)?/
+          maintenance_check(@opt,__FILE__,__LINE__) if @opt.cmd.inspect =~/M/
+          'pg'
+        elsif @opt.cmd=~/d/ \
+        or @opt.mod.inspect =~/--(?:sq)?lite/
+          maintenance_check(@opt,__FILE__,__LINE__) if @opt.cmd.inspect =~/M/
+          'sqlite'
+        elsif @opt.cmd =~/d/ \
+        and @opt.mod.inspect =~/--(?:db[=-])?(?:sq)?lite/
+          maintenance_check(@opt,__FILE__,__LINE__) if @opt.cmd.inspect =~/M/
+          'sqlite'
+        else
+          maintenance_check(@opt,__FILE__,__LINE__) if @opt.cmd.inspect =~/M/
+          'sqlite'
+        end
+      end
+    end
+    def maintenance_check(opt,file,line)
+      p opt.mod
+      p opt.cmd
+      p "at #{file} #{line}"
+    end
+    def read_psql
+      begin
+        @conn=@db.psql.conn_dbi
+      rescue
+        if @opt.mod.inspect=~/--(createall|create)/
+          puts %{manually create the database: "#{@db.db}" if it does not yet exist}
+          #sudo su -p postgres;  createdb #{@db.db}; #[createuser?]
+        end
+        SiSU_DB_DBI::Case.new(@opt,@conn,@sql_type).cases
+        @conn=DBI.connect(@db.dbi,@db.user,@db.db)
+      ensure
+      end
+    end
+    def read_sqlite
+      begin
+        sql_type='sqlite'
+        @conn=@db.sqlite.conn_sqlite3
+      rescue
+      ensure
+      end
+    end
+    def connect
+      case @sql_type
+      when /pg/;     read_psql
+      when /sqlite/; read_sqlite
+      end
+      tell=SiSU_Screen::Ansi.new(@opt.cmd,"DBI (#{@sql_type}) #{@opt.mod}")
+      tell.dbi_title unless @opt.cmd =~/q/
+      begin
+        SiSU_DB_DBI::Case.new(@opt,@conn,@sql_type).cases
+      rescue
+        SiSU_Errors::Info_error.new($!,$@,@cf,@opt.fns).error
+      ensure
+      end
+      begin
+      rescue
+        connect
+      end
+    end
+  end
+end
+__END__