Module: Find

Defined in:
lib/lnbackup/util.rb

Class Method Summary collapse

Class Method Details

.find3(*path) ⇒ Object

reimplementace funkce “find” s osetrenim vyjimky Errno::EOVERFLOW, ktera minimalne na ruby1.6 nastava pri zachazeni (napr. stat) se souborem o velikosti >2GB

pruchod je udelan pomoci zasobniku s hloubkou, aby bylo mozne usetrit pamet



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# File 'lib/lnbackup/util.rb', line 93

def Find.find3(*path)
  path.collect!{|d| [d.dup,0]}
  while temp = path.shift
    catch(:prune) do
      (file, depth) = temp
      yield [file, depth]
      begin
        if File.lstat(file).directory? then
          d = Dir.open(file)
          begin
            for f in d
              next if f == "." or f == ".."
              if File::ALT_SEPARATOR and file =~ /^(?:[\/\\]|[A-Za-z]:[\/\\]?)$/ then
                f = file + f
              elsif file == "/" then
                f = "/" + f
              else
                f = File.join(file, f)
              end
              path.unshift [f, depth+1]
            end
          ensure
            d.close
          end
        end
      rescue Errno::ENOENT, Errno::EACCES, Errno::EOVERFLOW
      end
    end
  end
end