Hello Stephen and Herbert, Stéphane Chazelas just made a complete proposal: 1) [n1]<&n2 Redirect standard input (or fd n1) from the same resource as open on fd n2. 2b) [n1]>&n2 Redirect standard output (or fd n1) to the same resource as open on fd n2. What do you think about? Regards, -- Stéphane Aulery -- To unsubscribe from this list: send the line "unsubscribe dash" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html