public Action:PlaySoundToAll(client, args)     
{
           new size = sizeof(files); static Numerik = 0;
           EmitSoundToClient(client, files[Numerik]); Numerik++;
           if(Numerik >= size) Numerik = 0;
}     

#include <sourcemod>
#include <sdktools>

new Handle:g_hPath,Handle:Array,ArraySize;

public OnPluginStart()
{
  g_hPath = CreateConVar("join_sound_path", "addons/sourcemod/configs/join_sound_list.cfg", "Укажите путь к файлу");
  Array = CreateArray(255, 0);
}

public OnMapStart()
{
  decl String:path[255];
  GetConVarString(g_hPath, path, sizeof(path));
  new Handle:file = OpenFile(path, "r");
  if (file == INVALID_HANDLE) LogError("Не удалось открыть файл '%s'", path);
  else
  {
   new CountLine = 0;
   decl String:line[150], String:buffer[255];
   while (!IsEndOfFile(file) && CountLine <= 50 && ReadFileLine(file, line, sizeof(line)))
   {
    CountLine++;
    TrimString(line);
    PushArrayString(Array, line);
    PrecacheSound(line);
    Format(buffer, sizeof(buffer), "sound/%s", line);
    AddFileToDownloadsTable(buffer);
    PrecacheSound(line);
   }
   ArraySize = GetArraySize(Array);
   CloseHandle(file);
  }
}

public OnClientPutInServer(client)
{
  if (client > 0 && !IsFakeClient(client))
  {
   decl String:ArrayName[50];
   static Numerik = 0;
   for (new i = 0; i < ArraySize; i++)
   {
    GetArrayString(Array, i, ArrayName, sizeof(ArrayName));
   }
   EmitSoundToClient(client, ArrayName[Numerik]); Numerik++;
   if(Numerik >= ArraySize) Numerik = 0;
  }
}

public OnClientPutInServer(client)
{
         if (client > 0 && !IsFakeClient(client))
         {
                decl String:ArrayName[50]; static Numerik = 0;
                GetArrayString(Array, Numerik, ArrayName, sizeof(ArrayName));
                EmitSoundToClient(client, ArrayName); Numerik++;
                if(Numerik >= ArraySize) Numerik = 0;    
         }
}