File Operations

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python file operations

原文地址总是记不住API.昨晚写的时候用到了这些,但是没记住,于是就索性整理一下吧: python中对文件.文件夹(文件操作函数)的操作需要涉及到os模块和shutil模块. 得到当前工作目录,即当前Python脚本工作的目录路径: os.getcwd() 返回指定目录下的所有文件和目录名:os.listdir() 函数用来删除一个文件:os.remove() 删除多个目录:os.removedirs(r"c:\python") 检验给出的路径是否是一个文件:os.path.isfi…

在刷题测试程序时,为了避免每次都手工输入,我们可以把输入数据保存在文件中:为了避免输出太长,我们将输出也写入文件中,方便与标准答案文件进行比较. 文件使用一般有两种方法:输入输出重定向.fopen. 重定向这种方法比较简单,只要在main()函数的开始加上: freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); 就可以将标准I/O(键盘输入.屏幕输…

File operations 1

1:只读(‘r' 和 ’rb'以字节读) f = open('d:\模特主妇护士班主任.txt',mode='r',encoding='UTF-8') content = f.read() print(content) f.close() 相对路径 f = open('模特主妇护士班主任',mode='r',encoding='utf-8') content = f.read() f.close() 若以rb模式,则不需encoding=....... 2:读写('r+'和‘r+b'以bytes…

backup, file manipulation operations (such as ALTER DATABASE ADD FILE) and encryption changes on a database must be serialized.

昨天在检查YourSQLDba备份时,发现有台数据库做备份时出现了下面错误信息,如下所示: <Exec> <ctx>yMaint.ShrinkLog</ctx> <inf>Log Shrink</inf> <Sql> -- ======================================================================== -- Shrink of log file E:\SQ…

VMWare File Format Learning && Use VHD File To Boot VMWare && CoreOS Docker Configuration And Running

目录 . Virtual Machine Introduce . Vmware Image File Format . VHD File Format . Convert VHD File Into VMDK . Run Virtual PC virtual machine in VMware Workstation . CoreOS Docker Configuration And Running && Vagrant + CoreOS + docker . Create A CoreO…

Python File I/O

File is a named location on disk to store related information. It is used to permanently store data in a non-volatile memory (e.g. hard disk). Since, random access memory (RAM) is volatile which loses its data when computer is turned off, we use file…

File Operation using SHFileOperation

SHFILEOPSTRUCT Original link: http://winapi.freetechsecrets.com/win32/WIN32SHFILEOPSTRUCT.htm Reference linke: SHFileOperation方法拷贝文件 Contains information that the SHFileOperation function uses to perform file operations. typedef struct _SHFILEOPSTRUC…