#!perl -w

#use like this, if file1 and file2 are two traces of similar db operations:
# perl ox2read <file1 >file1scrub
# perl ox2read <file2 >file2scrub
# diff -c file1scrub file2scrub >mydiff

use strict;
my @seen_addy = ();
while (my $line = <>) {
    foreach my $sr ( @seen_addy ) {
        my $search = $sr->[0];
        my $replace = $sr->[1];
        $line =~ s/$search/$replace/g;
    }   
    while ($line =~ /(0x\w+)/) {
        my $search = $1;
        my $last_replace = @seen_addy ? $seen_addy[$#seen_addy]->[1] : 'addy001';
        my $replace = ++$last_replace;
        push @seen_addy, [$search, $replace];
        $line =~ s/$search/$replace/g;
    }
    print $line;
}