import System.IO

file = """random.patch""";

lines = File.ReadAllLines(file)

currentFile as TextWriter

for line in lines:

      if line.StartsWith("+++"):#new file

            currentFile.Dispose() if currentFile is not null

            fileName = line.Replace("+++","").Replace("(revision 0)","").Trim()

            currentFile = File.CreateText(fileName)

            print fileName

            continue

      continue if not line.StartsWith("+")

      currentFile.WriteLine( line.Substring(1) )