new_contents: # Copyright 2022 Google LLC
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     https://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  
  original = sys.argv[1]
  remove_file = sys.argv[2]
  deduped = sys.argv[3]
  
  remove = []
  fin = open(remove_file)
  for line in fin:
      if 'out' in line: break
  for line in fin:
      remove.append(list(map(int,line.split())))
  remove = remove[::-1]
  
  ds = open(original,"rb")
  new_ds = open(deduped,"wb")
  
  start = 0
  while len(remove) > 0:
      a,b = remove.pop()
      new_ds.write(ds.read(a-start))
      ds.seek(b)
      start = b
  new_ds.write(ds.read())
  
subject: Add single file deduplicator