Posted to tcl by apn at Mon Sep 20 17:36:02 GMT 2010view pretty

% set fd [open "|nslookup.exe" r+]
filea2eca8
% fconfigure $fd -buffering line
% puts $fd "set q=mx"
% puts $fd "gmail.com"
% puts $fd "exit"
% read $fd
Default Server:  google-public-dns-a.google.com
Address:  8.8.8.8

> > Server:  google-public-dns-a.google.com
Address:  8.8.8.8

gmail.com       MX preference = 40, mail exchanger = alt4.gmail-smtp-in.l.google
.com
gmail.com       MX preference = 10, mail exchanger = alt1.gmail-smtp-in.l.google
.com
gmail.com       MX preference = 30, mail exchanger = alt3.gmail-smtp-in.l.google
.com
gmail.com       MX preference = 20, mail exchanger = alt2.gmail-smtp-in.l.google
.com
gmail.com       MX preference = 5, mail exchanger = gmail-smtp-in.l.google.com
>