Parent classes: DiskFile
A PipeFile is a particular File which is able to perform basic read/write operations
on a command pipe. It implements all methods described in DiskFile and File.
The file might be open in read or write mode, depending on the parameter
mode (which can take the value "r" or "w")
given to the torch.PipeFile(fileName, mode). Read-write mode is not allowed.
Constructor which executes command by opening a pipe in read or write
mode. Valid modes are "r" (read) or "w" (write). Default is read
mode.
If (and only if) quiet is true, no error will be raised in case of
problem opening the file: instead nil will be returned.