The pipe keyword[edit | edit source]
The pipe function opens a pair of connected pipes like the corresponding system call. It returns true on success.
A loop of piped processes may result in deadlock. Also, pipes use I/O buffering, so depending on the application, it may be a good idea to set $| to flush the WRITEHANDLE after each command.
Syntax[edit | edit source]
pipe READHANDLE, WRITEHANDLE