#!/usr/bin/perl
#  
#  Copyright (c) 2002 Steve Slaven, All Rights Reserved.
#  
#  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 2 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, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
#  MA 02111-1307 USA
#  

# A database exporter/importer for using the DB_File and tie()
use DB_File;
use Data::Dumper;
use Getopt::Std;

getopts( 'ieh', \%o );

die( qq{
dbexim v1.0
DB file export/import
Author: Steve Slave - http://hoopajoo.net

Usage: $0 [-hie] DBFILE TEXTFILE

	-i import TEXTFILE into DBFILE
	-e export DBFILE to TEXTFILE

Uses Data::Dumper to make a plain-text rendition of
a binary DB file to allow re-importing using newer
libraries or on another platform

} ) if $o{ h };

die( 'Must use -i or -e' ) unless( $o{ i } || $o{ e } );

my $dbfile = shift( @ARGV );
my $txfile = shift( @ARGV );

tie %db, 'DB_File', $dbfile || die( "Couldn't tie '$dbfile': $!" );

if( $o{ i } ) {
	# Import
	print "Importing $txfile into $dbfile...\n";

	open( IN, $txfile ) || die( "Couldn't open '$txfile': $!" );
	$var = join( "", <IN> );
	close( IN );

	my $href = eval( $var );
	for( keys( %{ $href } ) ) {
		print "$_ => " . $href -> { $_ } . "\n";
		$db{ $_ } = $href -> { $_ };
	}
}elsif( $o{ e } ) {
	# Export
	$ref = \%db;
	print "Exporting $dbfile to $txfile...\n";
	open( OUT, ">$txfile" ) || die( "Couldn't open '$txfile': $!" );
	print OUT Dumper( $ref );
	close( OUT );
}