JaYmE

#include <a_samp>

new Float:ratio=floatdiv(PKills[playerid], PDeaths[playerid]);
format(str, 256, "%d %d %.2f", PKills[playerid], PDeaths[playerid], ratio);

public OnPlayerConnect(playerid)
{
    new pname[24], File:ftw=fopen("userinfo/users.cfg", io_append);
    GetPlayerName(playerid, pname, 24);
    fwrite(ftw, pname);
    new string[30];
	format(string, 30, "%s\r\n", pname); // formatting the string with the escape codes
	fwrite(ftw, string);
    fclose(ftw);
}

public OnPlayerCommandText(playerid, cmdtext[])
{
	new string[256];
	new Float:X, Float:Z, Float:Y, Float:Rotation; // Floats to save the pos in
	if (strcmp(cmdtext, "/pos", true)==0)
    {
        GetPlayerPos(playerid, X, Y, Z);
        GetPlayerFacingAngle(playerid, Rotation);

        new File:pos=fopen("userinfo/positions.cfg", io_append);
        format(string, 256, "AddPlayerClass(0, %f, %f, %f, %f, 0,0,0,0,0,0);", X, Y, Z,Rotation);
        fwrite(pos, string);
        fclose(pos);

        return 1;
    }
	return 0;
}

new PKills[MAX_PLAYERS]; // Kill Tracker
new PDeaths[MAX_PLAYERS]; // Death tracker
#define FILE_NAME "stats.txt" // The name of the file
new File:gstats; // The file
new str[256];

if(!gstats)
{
    fcreate(FILE_NAME);}
    SaveStats(playerid, d, k) {
 gstats=fopen(FILE_NAME, io_append);
 GetPlayerName(playerid, pname, 24); // The name of the player
 format(str, 256, "%s %d %d\n\r",pname, k, d); // format
 if(!gstats) { fcreate(FILE_NAME); } // Our check
  while(fread(gstats, string)) {
   if(strcmp(string, pname, false, strlen(pname))==0) { // To check if the players name is in the file
    fdeleteline(FILE_NAME, string); // delete the line
     fwrite(gstats, str); // write the string
   }
   else if(strcmp(string, pname, false, strlen(pname))!=0) { // Its NOT true
    fwrite(gstats, str);
  }
 }
 fclose(gstats);
}

ReadStats(playerid) {
 gstats=fopen(FILE_NAME, io_read);
 GetPlayerName(playerid, pname, 24);
 while(fread(gstats, string)) {
  if(strcmp(str, pname, false, strlen(pname))==0) {
   PKills[playerid]=GetVal(1, str);
   PDeaths[playerid]=GetVal(2, str);
  }
 }
 fclose(gstats);
}