文件句柄

• It s better to use tied file handles to write
  最好使用绑定的文件句柄把
• Represents a wrapper class for a file handle
  表示文件句柄的包装类。
• You cannot create streams from file handles
  无法从文件句柄创建流。
• Resources shared by multiple processes such as file handles
  多个进程所共享的资源（如文件句柄） 。
• Gets a hash of the file with the specified file handle
  使用指定的文件句柄根据文件内容生成哈希代码。
• Takes the file handle to duplicate
  保存要复制的文件句柄。
• In a way , having the server maintain a file handle is just what
  在某种程度上，让服务器维护文件句柄正是
• Block failed to open the file , the file handle will still be set to
  块未能打开文件，则文件句柄仍将设置为
• Number of allocated file handles
  已分配文件句柄的数目
• Is no longer the file handle
  不再是一个文件句柄。