Displaying oz trail v2 Pastie For Amibroker (AFL)

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_SECTION_BEGIN("Oz Trail Stop Long");
// E.M.Pottasch, Feb 2014
// based on http://www.tradernexus.com/advancedstop/advancedstop.html
 
_N(PersistentPath="C:\\Program Files\\AmiBroker64\\PersistentVariables\\");  // **** You need to create a directory to store the persistent variable ****
 
selectDate=ParamDate("Start date","08/01/2011",0);
per1=Param("Length ATR",20,1,150,1); // ATR length
fac1=Param("Chandelier Factor",2,1,10,0.1); // chandelier factor
tog1=ParamToggle("Trail value","Close|High&Low",1);
entryPrice=Param("Entry Price Trade",0,0,150000,0.01); //entry price
trg1=ParamTrigger("Save Changes", "Click Here"); 
 
if(entryPrice==0)
{
    ttt=IIf(DateNum()>=selectDate,1,0);
    ttt=ttt-Ref(ttt,-1);
    entryPrice=LastValue(ValueWhen(ttt,C));
}
function conDate(nDate)
{
    result="";
    string=StrFormat("%0.9g",nDate);
    aa=StrLeft(string,3);
    mm=StrMid(string,3,2);
    dd=StrRight(string,2);
    aa1=StrToNum(aa)+1900; // ONLY CORRECT AFTER 2000
    result= dd + "/" + mm + "/" + NumToStr(aa1,1,False);
    return result;
}
function PersistentArraySet(VarName,infoArray)
{
    global PersistentPath;
    fh=fopen( PersistentPath+VarName+".pva","w" );
    if(fh)
    {
        cnt=0;
        while(!IsEmpty(infoArray[cnt]))
        {
            String=NumToStr(infoArray[cnt])+"\n";
            fputs( String,fh);
            cnt=cnt+1;
        }
        fclose(fh);
    }
}
function PersistentArrayGet(VarName)
{
    global PersistentPath;
    infoArray=0;
    fh = fopen( PersistentPath+VarName+".pva","r" );
    if(fh)
    {
        cnt=0;
        while(!feof(fh)) 
        { 
            infoArray[cnt]=StrToNum(fgets( fh ));
            cnt=cnt+1;
        } 
        fclose(fh);
    }
    return infoArray;
}
 
infoArray=Null;
infoArray[0]=selectdate;
infoArray[1]=per1;
infoArray[2]=fac1;
infoArray[3]=tog1;
infoArray[4]=LastValue(entryPrice);
 
sdatep=PersistentArrayGet("ss"+Name());
lvsp=LastValue(Cum(sdatep));
 
if(lvsp==0)PersistentArraySet("ss"+Name(),infoArray);
if(trg1)PersistentArraySet("ss"+Name(),infoArray);
 
function vstopLong_func(trBull,tog1,per,idx,entryPrice)
{
    trailArray=0;
    if(tog1)
    {
        hh=H;
        ll=L;
    }
    else
    {
        hh=C;
        ll=C;   
    }
 
    trailArray[idx]=entryPrice-trBull[idx];
 
    // calculate trail
    if((idx+1)<BarCount AND idx>0)
    {
        cnt=0;  
        for(i=idx+1;i<BarCount;i++)
        {
            prev=trailArray[i-1];cnt=i;
  
            if (C[i]>=prev AND C[i-1]>=prev)//long continuation
            {
                trailArray[i]=Max(prev,hh[i]-trBull[i]);
            }
            else if (C[i]<prev AND C[i-1]>=prev)//short trigger
            {
                break;
            }
        }
        for(i=cnt;i<BarCount;i++)
        {
            trailArray[i]=trailArray[i-1];
        }       
    }
    return trailArray;  
}
 
sdatep=PersistentArrayGet("ss"+Name());
 
selectDateArr=sdatep[0];
per1Arr=sdatep[1];
fac1Arr=sdatep[2];
tog1Arr=sdatep[3];
entryPriceArr=sdatep[4];
bi=BarIndex();tt=IIf(DateNum()>=selectDateArr,1,0);
tt=tt-Ref(tt,-1);idx=LastValue(ValueWhen(tt,bi));
trBull=fac1Arr*ATR(per1Arr);
trailArray=vstopLong_func(trBull,tog1Arr,per1Arr,idx,entryPriceArr);trailArray=IIf(trailArray==0,Null,trailArray);
     
if(tog1Arr==0)
    trailRef="Close";
else
    trailRef="High";
 
Title = "Entry Date: " + conDate(selectDateArr) +"\n"+
"ATR Period: " + per1Arr +"\n"+
"ATR Multiple: " + fac1Arr +"\n"+
"Trail reference: " + trailRef +"\n"+
"Entry Price: " + entryPriceArr +"\n";
 
GraphXSpace=5;SetChartBkColor(colorBlack);SetChartOptions(0,chartShowDates);
SetBarFillColor(IIf(C>O,ColorRGB(0,75,0),IIf(C<=O,ColorRGB(75,0,0),colorLightGrey)));
Plot(C,"\nPrice",IIf(C>O,ColorRGB(0,255,0),IIf(C<=O,ColorRGB(255,0,0),colorLightGrey)),64);
Plot(trailArray,"\ntrailLong",ColorRGB(0,255,0),styleStaircase);
_SECTION_END();

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oz trail v2 for Amibroker (AFL)