int g_dryrun;       // set to 1 if envvar DRYRUN was set in main()

void runP(int testValue, string cmd)
{
    if (g_dryrun)
        printf(cmd, "\n");
    else
    {
        fprintf << "/tmp/commands" << cmd << '\n';
        system(testValue, cmd);
    }
}

void run(string cmd)
{
    runP(P_CHECK, cmd);
}
