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【Python】递归查找文件

作者:biergaizi2009 / 发布于2012/5/14/ 722

1.输入要查找的特定目标文件扩展名，来遍历查找特定扩展名的文件，eg:python find_file.py txt 2.通过-f指定将结果写入到特定名称的文件，eg：python -f txt_result txt,否则将结果打印在控制台 3.在指定要查找的特定扩展名文件后，指定查找的根目录，eg：python find_file.py txt /

<div>!/usr/bin/python
#-*-coding:utf8-*-
import sys
import os
import argparse
import pdb
from pprint import pprint</div>
<div>def find_path_file(specific_file,search_directory):
 """
 result_path_filename
 """
 result_path_filename = list()
 result_path_filename.extend([os.path.join(dirpath,filename) for dirpath,dirnames,filenames in os.walk(search_directory) for filename in filenames if os.path.splitext(filename)[1] == ('.' + specific_file)])
 pprint(result_path_filename)</div>
<div>def find_file(specific_file,search_directory):
 """
 result_filename don't have path
 """
 result_filename = list()
 os.path.walk(search_directory,lambda arg,dirname,names:result_filename.extend([i for i in names if os.path.splitext(i)[1] == ('.' + specific_file)]),())
 pprint(result_filename)</div>
<div>def save_result_to_file(_filename,specific_file,search_directory):
 """
 save result to specific file
 """
 result_path_filename = list()
 result_path_filename.extend([os.path.join(dirpath,filename) for dirpath,dirnames,filenames in os.walk(search_directory) for filename in filenames if os.path.splitext(filename)[1] == ('.' + specific_file)])
 with open(_filename,'w') as f:
 f.write("\n".join(result_path_filename))</div>
if __name__ == "__main__":
 parser = argparse.ArgumentParser()
 parser.add_argument("file_suffix",help="specific the file suffix")
 parser.add_argument("rootdir",help="specific the root directory")
 parser.add_argument("-f","--file",help="record result to file")
 args = parser.parse_args()
 specific_file = args.file_suffix
 search_directory = args.rootdir
 if args.file:
 filename = args.file
 save_result_to_file(filename,specific_file,search_directory)
 else:
# find_file(specific_file,search_directory)
 find_path_file(specific_file,search_directory)</div>
<div></div>
<div></div>
<div>find_file.py</div>
<div></div>
<div>!/usr/bin/python
#-*-coding:utf8-*-
import sys
import os
import argparse
import pdb
from pprint import pprint</div>
<div>def find_path_file(specific_file,search_directory):
 """
 result_path_filename
 """
 result_path_filename = list()
 result_path_filename.extend([os.path.join(dirpath,filename) for dirpath,dirnames,filenames in os.walk(search_directory) for filename in filenames if os.path.splitext(filename)[1] == ('.' + specific_file)])
 pprint(result_path_filename)</div>
<div>def find_file(specific_file,search_directory):
 """
 result_filename don't have path
 """
 result_filename = list()
 os.path.walk(search_directory,lambda arg,dirname,names:result_filename.extend([i for i in names if os.path.splitext(i)[1] == ('.' + specific_file)]),())
 pprint(result_filename)</div>
<div>def save_result_to_file(_filename,specific_file,search_directory):
 """
 save result to specific file
 """
 result_path_filename = list()
 result_path_filename.extend([os.path.join(dirpath,filename) for dirpath,dirnames,filenames in os.walk(search_directory) for filename in filenames if os.path.splitext(filename)[1] == ('.' + specific_file)])
 with open(_filename,'w') as f:
 f.write("\n".join(result_path_filename))</div>
if __name__ == "__main__":
 parser = argparse.ArgumentParser()
 parser.add_argument("file_suffix",help="specific the file suffix")
 parser.add_argument("rootdir",help="specific the root directory")
 parser.add_argument("-f","--file",help="record result to file")
 args = parser.parse_args()
 specific_file = args.file_suffix
 search_directory = args.rootdir
 if args.file:
 filename = args.file
 save_result_to_file(filename,specific_file,search_directory)
 else:
# find_file(specific_file,search_directory)
 find_path_file(specific_file,search_directory)
</div>

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