[Deniau]

Experimente acrescentar \r na frente de \n, ficando:

Код:

forward CmdLog(string[]);
public CmdLog(string[])
{
    new entry[256];
    format(entry, sizeof(entry), "%s\r\n",string);
    new File:hFile;
    hFile = fopen("cmdsdigitados.log", io_append);
    fwrite(hFile, entry);
    fclose(hFile);
}