is this helpful:
// ---
module test;
import std;
void main()
{
auto result = execute(["bash", "-c", "nmap -sn
192.168.11.0/24 | ack -B2 \"Phillips\""]);
if(canFind(result.to!string, "Host is up"))
writeln("Host is up");
else
writeln("Host not found.");
}
// ---
