Python은 디렉터리에 있는 모든 파일의 파일 이름을 읽고 이를 txt 파일에 저장하는 코드를 구현합니다.

代码： (使用os.listdir)

import os
def ListFilesToTxt(dir,file,wildcard,recursion):
    exts = wildcard.split(" ")
    files = os.listdir(dir)
    for name in files:
        fullname=os.path.join(dir,name)
        if(os.path.isdir(fullname) & recursion):
            ListFilesToTxt(fullname,file,wildcard,recursion)
        else:
            for ext in exts:
                if(name.endswith(ext)):
                    file.write(name + "\n")
                    break
def Test():
  dir="J:\\1"
  outfile="binaries.txt"
  wildcard = ".txt .exe .dll .lib"
  
  file = open(outfile,"w")
  if not file:
    print ("cannot open the file %s for writing" % outfile)
  ListFilesToTxt(dir,file,wildcard, 1)
  
  file.close()
Test()

代码：(使用os.walk) walk递归地对目录及子目录处理，每次返回的三项分别为：当前递归的目录，当前递归的目录下的所有子目录，当前递归的目录下的所有文件。

import os
def ListFilesToTxt(dir,file,wildcard,recursion):
    exts = wildcard.split(" ")
    for root, subdirs, files in os.walk(dir):
        for name in files:
            for ext in exts:
                if(name.endswith(ext)):
                    file.write(name + "\n")
                    break
        if(not recursion):
            break
def Test():
  dir="J:\\1"
  outfile="binaries.txt"
  wildcard = ".txt .exe .dll .lib"
  
  file = open(outfile,"w")
  if not file:
    print ("cannot open the file %s for writing" % outfile)
  ListFilesToTxt(dir,file,wildcard, 0)
  
  file.close()
Test()

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