Cookbook /
Batch File Self Destructing

import std.c.windows.windows;
import std.stdio;
import std.string;
import std.process;

extern(Windows)
{
    struct SHELLEXECUTEINFO
    {
        DWORD     cbSize;
        ULONG     fMask;
        HWND      hwnd;
        LPCTSTR   lpVerb;
        LPCTSTR   lpFile;
        LPCTSTR   lpParameters;
        LPCTSTR   lpDirectory;
        int       nShow;
        HINSTANCE hInstApp;
        LPVOID    lpIDList;
        LPCTSTR   lpClass;
        HKEY      hkeyClass;
        DWORD     dwHotKey;
        union
        {
            HANDLE hIcon;
            HANDLE hMonitor;
        }
        HANDLE    hProcess;
    }
    alias SHELLEXECUTEINFO* LPSHELLEXECUTEINFO;
    bool ShellExecuteExA(LPSHELLEXECUTEINFO);
}

bool selfDestruct()
{
    char[] modfname;
    modfname.length = 256;
    auto ns = GetModuleFileNameA(cast(HMODULE)null, &modfname[0], 256);
    string modname = std.conv.to!string(modfname[0 .. ns]).strip;
    string batname = getenv("TEMP")~"\\sd.bat";
    auto helperbat = File(batname, "w");
    helperbat.writeln(":TRY");
    helperbat.writeln("PING 1.1.1.1 -n 1 -w 1000 >NUL"); //wait 1 sec
    helperbat.writeln(`del "`~modname~`"`);
    helperbat.writeln("IF EXIST \""~modname~"\" GOTO TRY");
    helperbat.writeln("del %TEMP%\\sd.bat");
    helperbat.close();

    SHELLEXECUTEINFO info;
    info.cbSize = SHELLEXECUTEINFO.sizeof;
    info.lpVerb = "open";
    info.lpFile = cast(const(char)*)batname;
    info.nShow = SW_HIDE;
    return ShellExecuteExA(&info);
}

int main()
{
    return selfDestruct();
}