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Cmt2BlobMerge.perl
executable file
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Cmt2BlobMerge.perl
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use strict;
use warnings;
use Error qw(:try);
use TokyoCabinet;
use Compress::LZF;
sub toHex {
return unpack "H*", $_[0];
}
sub fromHex {
return pack "H*", $_[0];
}
my %c2b;
tie %c2b, "TokyoCabinet::HDB", "$ARGV[1]", TokyoCabinet::HDB::OWRITER | TokyoCabinet::HDB::OCREAT,
16777213, -1, -1, TokyoCabinet::TDB::TLARGE, 100000
or die "cant open $ARGV[1]\n";
my %c2b1;
my $lines = 0;
procBin ($ARGV[0]);
sub procBin {
my $fname = $_[0];
print "processing $fname\n";
open A, "gunzip -c $fname|";
binmode(A);
until (eof(A))
{
my $buffer;
my $nread = read (A, $buffer, 4, 0);
my $n = unpack 'L', $buffer;
#print "$nread;$n\n";
$nread = read (A, $buffer, 20, 0);
my $cmt = $buffer;
#print "".(toHex ($cmt))."\n";
my %vs = ();
for my $i (1..$n){
$nread = read (A, $buffer, 20, 0);
my $b = substr ($buffer, 0, 20);
$c2b1{$cmt}{$b}++;
}
$lines ++;
print STDERR "$lines done\n" if (!($lines%5000000));
}
}
$lines = 0;
while (<STDIN>){
chop();
my ($c, $bb) = split(/\;/, $_, -1);
my $cmt = fromHex ($c);
my $b = fromHex ($bb);
$c2b1{$cmt}{$b}++;
$lines ++;
print STDERR "$lines read\n" if (!($lines%5000000));
}
while (my ($k, $v) = each %c2b1){
my $vv = join "", (sort keys %{$v});
$c2b{$k} = $vv;
}
untie %c2b;