tclsh foreach testv6 { 2001:ABC::1 2001:124::1 2001:AB40::1 2001:AB41::1 2001:4313::1 2001:26::2 2001:124::2 2001:46::4 2001:124::4 2001:45::5EFE:AC10:2D04 2001:4313::4 2001:45::5EFE:AC10:2D05 2001:26::6 2001:46::6 2001:AAA4::1 2001:AAA5::1 } {ping $testv6}