#!/usr/bin/perl -w

use strict;
use Palm::PDB;
use Palm::Raw;

# Set this to the dir the ImageLib_imageDB.pdb
# and ImageLib_mainDB.pdb files are in
my $syncdir = ".";
my %imagedata;

my $imagedb = new Palm::PDB;
my $maindb = new Palm::PDB;
$imagedb->Load("$syncdir/ImageLib_imageDB.pdb");
$maindb->Load("$syncdir/ImageLib_mainDB.pdb");

# Gather picture data, indexed by Record ID.  The phone has only 32Meg
+s
# of memory, so it shouldn't be restrictive to load all the data into
# memory
foreach my $record (@{$imagedb->{records}}) {
    $imagedata{$record->{id}} = $record->{data};
}

# Records in the mainDB give the filename, and record number
# of the start of each picture
foreach my $record (@{$maindb->{records}}) {
    my ($file, $startpic, $startthumb, $nbrecpic, $nbrecthumb)
            = unpack "A32x8Lx4LSS", $record->{data};

    print "$file.jpg";
    open JPG, ">", "$file.jpg" or die "Couldn't open $file.jpg: $!\n";
    my $nextrec = $startpic;
    # Write data to image file, following the Next Record pointers
    # until the last one is found
    while ($nextrec != 0) {
        my ($next, $data) = unpack "La*", $imagedata{$nextrec};
        print JPG $data;
        print ".";
        $nextrec = $next;
    }
    print "\n";
    close JPG;
}
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