python获取指定目录下所有文件名列表的方法
本文实例讲述了python获取指定目录下所有文件名列表的方法。分享给大家供大家参考。具体实现方法如下:
这里python代码实现获取文件名列表的功能,可以指定文件中包含的字符,方便提取特定类型的文件名列表:
# -*- coding: utf-8 -*- #~ #------------------------------------------------------------------ #~ module:wlab #~ Filename:wgetfilelist.py #~ Function : #~ def IsSubString(SubStrList,Str) #~ def GetFileList(FindPath,FlagStr=[]): #~ 功能:读取指定目录下特定类型的文件名列表 #~ Data: 2013-08-08,星期四 #~ Author:吴徐平 #~ Email:wxp07@qq.com #~ #------------------------------------------------------------------ #~ #------------------------------------------------------------------ def IsSubString(SubStrList,Str): ''''' #判断字符串Str是否包含序列SubStrList中的每一个子字符串 #>>>SubStrList=['F','EMS','txt'] #>>>Str='F06925EMS91.txt' #>>>IsSubString(SubStrList,Str)#return True (or False) ''' flag=True for substr in SubStrList: if not(substr in Str): flag=False return flag #~ #---------------------------------------------------------------------- def GetFileList(FindPath,FlagStr=[]): ''''' #获取目录中指定的文件名 #>>>FlagStr=['F','EMS','txt'] #要求文件名称中包含这些字符 #>>>FileList=GetFileList(FindPath,FlagStr) # ''' import os FileList=[] FileNames=os.listdir(FindPath) if (len(FileNames)>0): for fn in FileNames: if (len(FlagStr)>0): #返回指定类型的文件名 if (IsSubString(FlagStr,fn)): fullfilename=os.path.join(FindPath,fn) FileList.append(fullfilename) else: #默认直接返回所有文件名 fullfilename=os.path.join(FindPath,fn) FileList.append(fullfilename) #对文件名排序 if (len(FileList)>0): FileList.sort() return FileList
可以使用pip在线安装wlab
pip install wlab
还是给个图吧:
希望本文所述对大家的Python程序设计有所帮助。

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