#!/usr/bin/env ruby

options = {
  :remove => "",
}

ARGV.reject!{|arg|
  if arg =~ /--([^=]+)=?/ then
    options[$1.to_sym] = $' || true
    true
  else
    false
  end
}

if ARGV.size < 1 then
  puts "#{__FILE__} (log.dat)"
  exit(-1)
end

src_fname = ARGV.shift
dst_fname = options[:out] || "#{File::basename(src_fname, '.*')}.removed.dat"
$stderr.puts "#{src_fname} => #{dst_fname}"

open(dst_fname, 'w'){|dst_io|
  open(src_fname){|src_io|
    while page = src_io.read(32)
      if options[:remove].include?(page[0]) then
        next
      end
      dst_io << page
    end
  }
}