Python Snippet （一）

//注意Linux主机

//删除指定目录中文件名以 .tmp 为后缀的文件

 1 #!/usr/bin/python
 2 import os , glob
 3 dirname  =  ‘/tmp‘
 4 allpy  =  glob.glob(os.path.join(dirname,‘*‘))
 5 for filename in allpy:
 6     filesize  =  os.path.getsize(filename)
 7     if(filename.endswith(‘tmp‘)):
 8         try:
 9             os.remove(filename)
10         except:
11             continue

//输出指定文件夹（包括子文件夹）中最大的两个文件

 1 #!/usr/bin/python
 2 import os
 3 dirname = ‘/tmp‘
 4 allsize = []
 5 for (root,dirs,files) in os.walk(dirname):
 6     for filename in files:
 7         fullname  =  os.path.join(root,filename)
 8         filesize  =  os.path.getsize(fullname)
 9         allsize.append((filesize,fullname))
10 allsize.sort()
11 print allsize[-2:]

//删除指定文件（包括子文件夹）中的所有文件及文件夹

 1 #!/usr/bin/python
 2 import os
 3 dirname = ‘/tmp‘
 4 allsize = []
 5 for (root,dirs,files) in os.walk(dirname):
 6     for filename in files:
 7         fullname  =  os.path.join(root,filename)
 8         filesize  =  os.path.getsize(fullname)
 9         allsize.append((filesize,fullname))
10 allsize.sort()
11 print allsize[-2:]