用Python目錄創(chuàng)建及應(yīng)用
Python目錄是計(jì)算機(jī)語(yǔ)言常用的語(yǔ)言,可是很多人還是對(duì)其不太了解,覺(jué)得它的實(shí)際應(yīng)用語(yǔ)言操作太難,其實(shí)如果你了解了Python目錄的操作技能,你對(duì)其就有個(gè)更深的了解。你如果感興趣的話,就看看下面的文章吧!
和普通文件一樣,關(guān)于Python目錄的操作也很容易掌握。首先,列出一個(gè)目錄的內(nèi)容:
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- import os
- for fileName in os.listdir ( '/' ):
- print fileName
- import os
- for fileName in os.listdir ( '/' ):
print fileName正如你所見(jiàn),這很簡(jiǎn)單,用三行代碼就可以完成。
創(chuàng)建目錄也很簡(jiǎn)單:
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- import os
- for fileName in os.listdir ( '/' ):
- print fileName
- import os
- for fileName in os.listdir ( '/' ):
刪除剛才創(chuàng)建的Python目錄:也可以創(chuàng)建多級(jí)目錄:
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- import os
- os.makedirs ( 'I/will/show/you/how/deep/the/rabbit/hole/goes' )
- import os
- os.makedirs ( 'I/will/show/you/how/deep/the/rabbit/hole/goes' )
如果沒(méi)有在創(chuàng)建的文件夾中添加任何東西,就可以一次性將它們?nèi)縿h除(即,刪除所列的所有空文件夾):
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- import os
- os.removedirs( 'I/will/show/you/how/deep/the/rabbit/hole/goes' )
- import os
- os.removedirs ( 'I/will/show/you/how/deep/the/rabbit/hole/goes' )
當(dāng)需要對(duì)一個(gè)特定的文件類型進(jìn)行操作時(shí),我們可以選擇“fnmatch”模塊。以下是顯示“.txt”文件的內(nèi)容和“.exe”文件的文件名:
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- import fnmatch
- import os
- for fileName in os.listdir ( '/' ):
- if fnmatch.fnmath ( fileName, '*.txt' ):
- print open ( fileName ).read()
- elif fnmatch.fnmatch ( fileName, '*.exe' ):
- print fileName
- import fnmatch
- import os
- for fileName in os.listdir ( '/' ):
- if fnmatch.fnmath ( fileName, '*.txt' ):
- print open ( fileName ).read()
- elif fnmatch.fnmatch ( fileName, '*.exe' ):
- print fileName“*”
字符可以表示任意長(zhǎng)度的字符。如果要匹配一個(gè)字符,則使用“?”符號(hào):
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- import fnmatch
- import os
- for fileName in os.listdir ( '/' ):
- if fnmatch.fnmatch ( fileName, '?.txt' ):
- print 'Text file.'
- import fnmatch
- import os
- for fileName in os.listdir ( '/' ):
- if fnmatch.fnmatch ( fileName, '?.txt' ):
- print 'Text file.'“fnmatch”
以上就是對(duì)關(guān)于Python目錄具體操作內(nèi)容的簡(jiǎn)介。
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