编写一程序，实现程序a通过读取一个文件,把文件内容写入一个有名管道.然后程序b读取有名管道的内容,重新写为一个新的文件。-Write a program, the program by reading a file, the contents of the file is written to a named pipe. Program then b to read the contents of the named pipe, re-written as a new file.