pipe
pipe — creates a pipe.
pipe ()
none
A list of the read pipe and the write pipe, each as a file pointer.
This function creates an un-named pipe.
Gamma>pipe1 = pipe();(#<File:"read_pipe"> #<File:"write_pipe">)Gamma>pread = car(pipe1);#<File:"read_pipe">Gamma>pwrite = cadr(pipe1);#<File:"write_pipe">Gamma>write (pwrite, "This is a test");tGamma>read (pread);"This is a test"Gamma>