try this: import std.process, std.stdio; import core.thread; import std.random;
void main(string[] args) {string on = "netsh interface set interface \"Connexion au réseau local\" Enable"; string off = "netsh interface set interface \"Connexion au réseau local\" Disable";
while(true) { executeShell(on); const t=uniform(2000, 5000); writeln("timeout: ",t); readln(); Thread.sleep(dur!("msecs")(t)); executeShell(off); Thread.sleep(dur!("msecs")(2000)); } }