search_bacteria_from_PMS_single_result.ipynb

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   "source": [
    "import os\n",
    "\n",
    "folder_path = 'C:/Users/DuYih/Desktop/PVC/Single_Sample'\n",
    "\n",
    "output_file = open('output.csv', 'w')\n",
    "output_file.write('File,Line\\n')  # 输出文件头\n",
    "\n",
    "for dirpath, dirnames, filenames in os.walk(folder_path):\n",
    "    for filename in filenames:\n",
    "        if filename == 'classification.txt':\n",
    "            filepath = os.path.join(dirpath, filename)\n",
    "            with open(filepath, 'r') as f:\n",
    "                for line in f:\n",
    "                    if 'Verrucomicrobia' or 'Planctomycetales' or 'Chlamydiae' in line:\n",
    "                        output_file.write('{},{}'.format(filepath, line))\n",
    "                        \n",
    "output_file.close()\n"
   ]
  }
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