2.鑾峰彇鎸囧畾鐩綍鏂囦歡/鏂囦歡澶瑰垪琛細(xì)os.listdir(path)
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欏轟究綺樹(shù)竴鐐圭浉鍏崇殑涓滀笢
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os.walk()
鍑芥暟澹版槑錛歸alk(top,topdown=True,onerror=None)
1>鍙傛暟top琛ㄧず闇瑕侀亶鍘嗙殑鐩綍鏍?wèi)鐨勮矾寰?br>2>鍙傛暟topdown鐨勯粯璁ゅ兼槸"True",琛ㄧず棣栧厛榪斿洖鐩綍鏍?wèi)涓嬬殑鏂囦挥灱岀劧鍚庡湪閬嶅巻鐩綍鏍?wèi)鐨勫瓙鐩綍.Topdown鐨勫間負(fù)"False"鏃訛紝鍒欒〃紺哄厛閬嶅巻鐩綍鏍?wèi)鐨勫瓙鐩綍锛寴q斿洖瀛愮洰褰曚笅鐨勬枃浠訛紝鏈鍚庤繑鍥炴牴鐩綍涓嬬殑鏂囦歡
3>鍙傛暟onerror鐨勯粯璁ゅ兼槸"None",琛ㄧず蹇界暐鏂囦歡閬嶅巻鏃朵駭鐢熺殑閿欒.濡傛灉涓嶄負(fù)絀猴紝鍒欐彁渚涗竴涓嚜瀹氫箟鍑芥暟鎻愮ず閿欒淇℃伅鍚庣戶緇亶鍘嗘垨鎶涘嚭寮傚父涓閬嶅巻
4>璇ュ嚱鏁拌繑鍥炰竴涓厓緇勶紝璇ュ厓緇勬湁3涓厓绱狅紝榪?涓厓绱犲垎鍒〃紺烘瘡嬈￠亶鍘嗙殑璺緞鍚嶏紝鐩綍鍒楄〃鍜屾枃浠跺垪琛?br>os,walk()瀹炰緥:
import os
def VisitDir(path):
for root,dirs,files in os.walk(path):
for filespath in files:
print os.path.join(root,filespath)
if __name__=="__main__":
path="/root"
VisitDir(path)
os.path.walk()
鍑芥暟澹版槑錛歸alk(top,func,arg)
1>鍙傛暟top琛ㄧず闇瑕侀亶鍘嗙殑鐩綍鏍?wèi)鐨勮矾寰?br>2>鍙傛暟func琛ㄧず鍥炶皟鍑芥暟錛屽閬嶅巻璺緞榪涜澶勭悊.鎵璋撳洖璋冨嚱鏁幫紝鏄綔涓烘煇涓嚱鏁扮殑鍙傛暟浣跨敤錛屽綋鏌愪釜鏃墮棿瑙﹀彂鏃訛紝紼嬪簭灝嗚皟鐢ㄥ畾涔夊ソ鐨勫洖璋冨嚱鏁板鐞嗘煇涓換鍔?鍥炶皟鍑芥暟蹇呴』鎻愪緵3涓弬鏁幫細(xì)絎?涓弬鏁頒負(fù)walk()鐨勫弬鏁皌ag錛岀2涓弬鏁拌〃紺虹洰褰曞垪琛紝絎?涓弬鏁拌〃紺烘枃浠跺垪琛?br>3>鍙傛暟arg鏄紶閫掔粰鍥炶皟鍙傛暟func鐨勫厓緇?鍥炶皟鍑芥暟鐨勪竴涓弬鏁板繀欏繪槸arg錛屼負(fù)鍥炶皟鍑芥暟鎻愪緵澶勭悊鍙傛暟.鍙傛暟arg鍙互涓虹┖
os.path.walk()瀹炰緥錛?br>import os,os.path
def VisitDir(arg,dirname,names):
for filespath in name:
print os.path.join(dirname,filespath)
if __name__=="__main__":
path="/root"
os.path.walk(path,VisitDir,())
os.path.walk()涓巓s.walk()浜х敓鐨勬枃浠跺悕鍒楄〃騫朵笉鐩稿悓.os.path.walk()浜х敓鐩綍鏍?wèi)涓嬬殑鐩綍璧\寰勫拰鏂囦歡璺緞錛岃宱s.walk()鍙駭鐢熸枃浠惰礬寰?br>濡備笅闈㈢殑渚嬬▼錛?br>1 # -*- coding: utf-8 -*-
2 import os
3 for root, dirs, files in os.walk('/media/cdrom0'):
4 open('mycd.cdc', 'a').write("%s %s %s" % (root,dirs,files))
瀹屾垚鐨勫姛鑳芥槸璁?media/cdrom0涓嬬殑鐩綍鏂囦歡鍐欏叆鍒癿ycd.cdc涓?br>浠ｇ爜瑙ｉ噴錛?br>1. 澹版槑鏄?utf-8 緙栫爜鏂囨湰錛?
2. 寮曞叆浜?os 妯″潡錛?
3. 浣跨敤os.walk() 鎵弿鍏夌洏錛屽茍榪斿洖涓変釜瀵硅薄錛?
4. 浣跨敤open()鎵撳紑mycd.cdc 鏂囦歡瀵硅薄錛屽茍澹版槑鎴愯拷鍔犳ā寮忥紝閫愯璁板綍浠ヤ笂涓変釜瀵硅薄銆?/p>