1.os.popen運行shell列表命令
def traverseDirByShell(path):
??? for f in os.popen('ls ' + path):
??????? print f.strip()
2.利用glob模塊
glob.glob(path)返回帶目錄的文件名.通配符和shell相似.path不能包含shell變量.
def traverseDirByGlob(path):
??? path = os.path.expanduser(path)
??? for f in glob(path + '/*'):
??????? print f.strip()
3.利用os.listdir(推薦)
該方法返回不帶根目錄的文件名或子目錄名
def traverseDirByListdir(path):
??? path = os.path.expanduser(path)
??? for f in os.listdir(path):
??????? print f.strip()
4.利用os.walk(推薦)
返回一個包含3個項目的元組:當前目錄名稱,子目錄名稱,子文件名稱
def traverseDirByOSWalk(path):
??? path = os.path.expanduser(path)
??? for (dirname, subdir, subfile) in os.walk(path):
??????? #print('dirname is %s, subdir is %s, subfile is %s' % (dirname, subdir, subfile))
??????? print('[' + dirname + ']')
??????? for f in subfile:
??????????? print(os.path.join(dirname, f))
整合代碼:
#!/usr/bin/python
import os
from glob import glob
def printSeparator(func):
??? def deco(path):
??????? print("call method %s, result is:" % func.__name__)
??????? print("-" * 40)
??????? func(path)
??????? print("=" * 40)
??? return deco
@printSeparator
def traverseDirByShell(path):
??? for f in os.popen('ls ' + path):
??????? print f.strip()
@printSeparator
def traverseDirByGlob(path):
??? path = os.path.expanduser(path)
??? for f in glob(path + '/*'):
??????? print f.strip()
@printSeparator
def traverseDirByListdir(path):
??? path = os.path.expanduser(path)
??? for f in os.listdir(path):
??????? print f.strip()
@printSeparator
def traverseDirByOSWalk(path):
??? path = os.path.expanduser(path)
??? for (dirname, subdir, subfile) in os.walk(path):
??????? #print('dirname is %s, subdir is %s, subfile is %s' % (dirname, subdir, subfile))
??????? print('[' + dirname + ']')
??????? for f in subfile:
??????????? print(os.path.join(dirname, f))
if __name__ == '__main__':
??? path = r'~/src/py'
??? traverseDirByGlob(path)
??? traverseDirByGlob(path)
??? traverseDirByListdir(path)
??? traverseDirByOSWalk(path)
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