gistfile1.rb

#!/usr/bin/ruby

@@path = '/opt/tmp_tables_list'
@@remove_except_table = 'localPreferences'

class Remover
  def initialize
    @tables = Array.new
  end

  def fix_base
    `echo "list" | hbase shell | grep -v #{@@remove_except_table} > #{@@path}`
    sanitize_file @@path
    `cat #{@@path}  | awk '{print "disable \\"" $1 "\\""}' | hbase shell`
    `cat #{@@path}  | awk '{print "drop \\"" $1 "\\""}' | hbase shell`
  end

  def sanitize_file(path)
    File.open(path).each do |line|
      tables_found = line.include? 'TABLE'
      if tables_found and !line.include? ' seconds' and !line.include? 'TABLE'
        @tables << line
      end
    end
    write_tables
  end

  def write_tables
    File.open(@@path, 'w') do |file|
      @tables.each do |string|
        file.write(string)
      end
    end
  end

end

Remover.new.fix_base