awk has something similar too: The following special filenames may be used with the |& co-process operator for creating TCP/IP network connections. /ine

awk has something similar too: The following special filenames may be used with the |& co-process operator for creating TCP/IP network connections. /inet/tcp/lport/rhost/rport File for TCP/IP connection on local port lport to remote host rhost on remote port rport. Use a port of 0 to have the system pick a port.