一个python3遍历目录文件程序

一个python3遍历目录文件程序，可以很方便遍历目录下的文件：把以下代码保存为filelist.py，使用方法在cmd下执行filelist.py 'c:\\'即可遍历整个c盘目录下的文件。

import os, sys
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C;S5]7q[:PT0from stat import *

def walktree(top, callback):
AI8n qa3{*l6f0    '''recursively descend the directory tree rooted at top,
l\)`SIs_[^-m^0       calling the callback function for each regular file'''

    for f in os.listdir(top):51Testing软件测试网
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        pathname = os.path.join(top, f)
O v%_ ?#z^0        try:51Testing软件测试网9Y(j+~RCI
            mode = os.stat(pathname).st_mode51Testing软件测试网h R&E3TKzzZ
        except PermissionError:51Testing软件测试网 J V.Qwh
            continue51Testing软件测试网f_yHw:[x
        else:51Testing软件测试网&~l1j3D4_u&Qe
            if S_ISDIR(mode):
{t yG;\QMG+Y0                # It's a directory, recurse into it51Testing软件测试网$H.a~D6\4px3c
                try:51Testing软件测试网y`2w(s)Mk4{I
                    walktree(pathname, callback)51Testing软件测试网M!\P)lfXT9f5R#U
                except PermissionError:51Testing软件测试网*iG8iyQ9tH4B
                    continue
)KoJ,hp0h)D7Pt%Z0            elif S_ISREG(mode):
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y:n0                    # It's a file, call the callback function
~_A*} VR$J;B Rm0                    callback(pathname)
_?0?&^#TGT0            else:
&V"[l al!YE0                # Unknown file type, print a message51Testing软件测试网xt,M*G _U n:E
                print('Skipping %s' % pathname)

def visitfile(file):51Testing软件测试网 Xd#Q;Rk@&~.Q
     # print('visiting', file)
I@8d@EPs*O0      with open("filelist.txt",'a') as f:51Testing软件测试网\fj/e#Y!P\o7It[
          try:51Testing软件测试网fTr jrHnv1f}
              f.write(file+"\n")51Testing软件测试网$m3Z+Y6Vru3i
          except Exception:51Testing软件测试网WcR8v`*E+M
              pass

51Testing软件测试网ou,U8fJ+A
if __name__ == '__main__':
(eI.Z"rCr4c0    walktree(sys.argv[1], visitfile)
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