DB<116> srand 0
 => 1

  DB<117> rand
 => "0.17082803610629"

  DB<118> rand
 => "0.749901980484964"

  DB<119> srand hostname
 => 1

  DB<120> rand
 => "0.17082803610629"

  DB<121> rand
 => "0.749901980484964"

  DB<122> 0+ hostname
 => 0