Sorting a array into classes
Hello everybody,
i have a tricky (hopefully just for me! ) problem. I want to sort a 1d array of values into size-classes. First I wrote a code-monster without a loop. Works fine but to increase the number of size classes is really awful. Now I want to make the code more flexible. Just give a 1d array of size-class limits like [0,1,2,4,8..] and the raw data to the vi. As result I want a x-d Array like in the picture below.
I wrote a code for that but after many hours of work it doesn’t run. Could anyone look to the code sample in the file and give me a hint?
Thank you in advance!
Paul
PS: In the following picture want to show how it should work in the end.
Solved!
Go to Solution.
Attachments:
Array-sort.vi 27 KB
Hello,
thank you very much for the given hints and codes. I used in the end a mixture of the code sample from Duri and the hints from RavensFan because it helped me to solve different problems at once. The source from Jeff is really elegant too!
Thank you!
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return Universe;
public static SpaceObject[] addObject(SpaceObject[] Universe ) throws FileNotFoundException
System.out.print("Add a Star, Planet, Dwarfplanet or Moon? "); //Asks to add
String adding = sc.next();
if (adding.equalsIgnoreCase("star")) //Add Star
String OType="Star";
System.out.println("Enter the name of the Star: ");
String OName = sc.next();
System.out.println("Enter the Radius: ");
String ORadius = sc.next();
double ORadiusD=Double.parseDouble(ORadius);
System.out.println("Class O -blue");
System.out.println("Class B -blue white");
System.out.println("Class A -white");
System.out.println("Class F -yellowish white");
System.out.println("Class G -yellow");
System.out.println("Class K -orange");
System.out.println("Class M -red");
System.out.println("Class W -superluminous blue");
System.out.println("Class L -dark red");
System.out.println("Class T -cool brown dwarf");
System.out.println("Class Y -ultra cool brown dwarf");
System.out.println("Class C -carbom star");
System.out.println("Class S -between a class M and carbon star");
System.out.println("Class D -white dwarf");
System.out.println("Enter A Spectral Type: ");
String ST = sc.next();
//char STc = ST.charAt(0);
System.out.println("I -supergiants");
System.out.println("II -bright giants");
System.out.println("III -normal giants");
System.out.println("IV -subgiants");
System.out.println("V -dwarfs");
System.out.println("VI -subdwarfs");
System.out.println("VII -white dwarfs");
System.out.println("Enter Yerkes Spectral Classification: ");
String YSC = sc.next();
System.out.println("Enter the Distance: ");
String Distance = sc.next();
double DistanceD=Double.parseDouble(Distance);
Universe[TotalObjects]= new Star(OType, OName, ORadiusD, ST, YSC, DistanceD);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("Star Added");
else if (adding.equalsIgnoreCase("planet")) //Add Planet
String OType="Planet";
System.out.println("Enter the name of the Planet: ");
String OName = sc.next();
System.out.println("Enter the Radius: ");
String ORadius = sc.next();
double ORadiusD=Double.parseDouble(ORadius);
System.out.println("Enter the Mass: ");
String PMass = sc.next();
System.out.println("Enter the Orbital Period: ");
String POB = sc.next();
double POBD=Double.parseDouble(POB);
System.out.println("Enter the Temperature: ");
String PTemp = sc.next();
double PTempD=Double.parseDouble(PTemp);
Universe[TotalObjects]= new Planet(OType, OName, ORadiusD, PMass, POBD, PTempD);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("Planet Added");
else if (adding.equalsIgnoreCase("dwarfplanet")) //add dwarfplanet
String OType="DwarfPlanet";
System.out.println("Enter the name of the Dwarf Planet: ");
String OName = sc.next();
System.out.println("Enter the Radius: ");
String ORadius = sc.next();
double ORadiusD=Double.parseDouble(ORadius);
System.out.println("Enter the Mass: ");
String PMass = sc.next();
System.out.println("Enter the Temperature: ");
String PTemp = sc.next();
double PTempD=Double.parseDouble(PTemp);
Universe[TotalObjects]= new DwarfPlanet(OType, OName, ORadiusD, PMass, PTempD);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("DwarfPlanet Added");
else if (adding.equalsIgnoreCase("moon"))
String OType="Moon";
System.out.println("Enter the name of the Moon: ");
String OName = sc.next();
System.out.println("Enter the Radius: ");
String ORadius = sc.next();
double ORadiusD=Double.parseDouble(ORadius);
System.out.println("Enter the Mass: ");
String MMass = sc.next();
System.out.println("Enter the Planet: ");
String Planet = sc.next();
System.out.println("Enter the Temperature: ");
String MTemp = sc.next();
double MTempD=Double.parseDouble(MTemp);
Universe[TotalObjects]= new Moon(OType, OName, ORadiusD, MMass, Planet, MTempD);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("Moon Added");
else
System.out.println("You have entered an invalid input please try again");//invalid input
addObject(Universe);
return Universe;
//read text file
public static void input(SpaceObject[] Universe) throws FileNotFoundException
System.out.println("What is the name of the text file you would like to write to? ");
String textfile = sc.next();
File f =new File(textfile);
Scanner infile;
infile = new Scanner(new File("spacebodies.txt"));
while (infile.hasNext())
String SpaceType = infile.next();
String OType = infile.nextLine();
String OName = infile.nextLine();
double ORadius = infile.nextDouble();
if (SpaceType.equals("Star"))
String ST = infile.next();
String YSC = infile.next();
infile.nextLine();
double Distance = infile.nextDouble();
Universe[TotalObjects]= new Star("Star", OName, ORadius, ST, YSC, Distance);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("");
else if (SpaceType.equals("Planet"))
String PMass = infile.next();
infile.nextLine();
double POB = infile.nextDouble();
double PTemp = infile.nextDouble();
Universe[TotalObjects]= new Planet("Planet", OName, ORadius, PMass, POB, PTemp);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("");
else if (SpaceType.equals("DwarfPlanet"))
String PMass = infile.next();
infile.nextLine();
double PTemp = infile.nextDouble();
Universe[TotalObjects]= new DwarfPlanet("DwarfPlanet", OName, ORadius, PMass, PTemp);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("");
else if (SpaceType.equals("Moon"))
String MMass = infile.next();
String Planet = infile.nextLine();
infile.nextLine();
double MTemp = infile.nextDouble();
Universe[TotalObjects]= new Moon("Moon", OName, ORadius, MMass, Planet, MTemp);
Universe[TotalObjects].display();
TotalObjects = TotalObjects +1;
System.out.println("");
else{
System.out.println("Error");
//Display To Screen
public static void displayToScreen(SpaceObject[] Universe)
System.out.println("Displaying Added Space Objects\n");
if (TotalObjects>0)
for (int i=0;i<TotalObjects;i++)
Universe.display();
System.out.println("");
//Search Objects
public static void SearchObjects(SpaceObject[] Universe)
System.out.println("Please Enter a Space Body to Search: ");
String SBody = sc.nextLine();
SBody = sc.nextLine();
for (int i=0;i<TotalObjects;i++)
if (Universe[i].OName.equalsIgnoreCase(SBody))
Universe[i].display();
//Find Largetst
public static void findLargest(SpaceObject[] Universe)
double MaxRadius = Universe[0].ORadius;
int Max=0;
for (int i=0;i<TotalObjects;i++)
if (MaxRadius < Universe[i].ORadius)
MaxRadius = Universe[i].ORadius;
Max = i;
Universe[Max].display();
//Find Smallest
public static void findSmallest(SpaceObject[] Universe)
double MaxRadius = 900000;
int Max=0;
for (int i=0;i<TotalObjects;i++)
if (MaxRadius < Universe[i].ORadius)
MaxRadius = Universe[i].ORadius;
Max = i;
Universe[Max].display();
//Temp Range
public static void tempRange(SpaceObject[] Universe)
public static void mostDistant(SpaceObject[] Universe)
public static void sortSize(SpaceObject[] Universe)
public static void sortName(SpaceObject[] Universe)
-
i have an array with three fields: id, name and date.
i want to sort it by name first and then date.
the size of my array could be as large as 1 million.
what could be the most efficient way to do so?
tia!It's very inefficient to sort an array on "the fly".
In that case at least use a linked list so you don't
have to move all elements after the insertion point to
make room for a new insert. But it's much better to
sort afterwards when all elements are in the array.Use a TreeSet. A linked list will be slower than a TreeSet, I suspect.
I believe that with a TreeSet, insertions will be somewhat slower (O(logN) vs O(c)), but the subsequent sorting of a linked list will be, what, at least O(NlogN) and possibly O(N^2)? And when you're inserting the first elements into the TreeSet, it should be closer to O(c) anyway, whereas the after-the-fact sorting of a LinkedList wouldn't have an advantage like that.
Then if necessary extract an array out of the TreeSet when you're done creating/inserting elements.
But really, use a database. -
Sort algorithm: how can I sort two arrays according to one
I have two parallel arrays, similar to this:
var array1 = [4, 3, 1, 5, 2];
var array2 = ["four", "three", "one", "five", "two"];
I want to sort the first array, and have the second array follow the same sort as the first. Any advice for a good algorithm would be appreciated.
Rick QuatroHi Rick,
frameexpert wrote:
Technically, there was no correct answer because the problem could be solved in multiple ways,
I don't think you're right about not marking the question as correct just because there are multiple ways of solving it.
People search the forums for solutions and threads that are not marked as correct are somewhat relegated.
It wouldn't hurt to make bduffy232's day or even mark your own solution as correct which is more the less the same as the one on the link from KuddRoww and more the less the way I would have done it but see the difference in the results in the table at the bottom of this post.
I actually think that technically there can be multiple correct answers even though you can only one can be marked.
One other small point if you use the advance editor on the forum you can have you code formatted makes it much easier to read.
Anyway here's my half pence worth on the scripting front.
Your question was how to sort one array according to another, which I understand to mean that you want the originals arrays reordered
Yours and bduffy232's scripts do that properly the others don't. Jongware's first script is easy to fix up this problem by adding to the end of his script.
for (i = 0; i<Math.min(array1.length, array2.length); i++)
array1[i] = array3[i][0];
array2[i] = array3[i][1];
alert(array1+"\r"+array2)
Now in order of appearance
Jongware said:
.. I wonder why this does not work .. Perhaps my logic is flawed?
Hi Jongware
I tried your (2nd) script twice and on both occurrences it crashed my ESTK
From what I understand (not said with much confidence) the flaw in your logic is you are passing your arrays values to be sorted array1[?] and array2[?+1] to the sort function as 'a' and 'b' but and then refer to the array array1[a].
So let's examine a bit of the code
var array1 = [4, 3, 1, 5, 2];
array3.sort (function(a,b) {
var swap, diff = array1[a] - array1[b];
When run this is the equivalent of saying (for the first run of the sort loop)
diff = array1[4] - array1[3]
i.e. diff = 2 - 5
i.e. diff = -3
What you wanted to do was
diff = a - b
= 4 -3
That's the way I see it.
Hi Marc
Change the first two lines of your first script to:
var array1 = [40, 7, 1, 5, 2];
var array2 = ["forty", "seven", "one", "five", "two"];
Then run the script
Now for my offering.
The fancy script
This script is not limited to a specific number of arrays.
after creating the arrays one creates an array of the arrays, specifies the number of the array that one wants to sort by and calls the function.
like this:
sortArraysInSync([a1,a2,a3,a4,a5], 1);
The arrays a1, a2, a3, ..... will get sorted according to the numeric or alphabetical order of the array specified in the 2nd parameter.
One could easily (I think) change the sort function to first sort by array x and then by array y etc.
// Advanced Sort Variable Numbers of Arrays in Sync Script by Trevor
// http://forums.adobe.com/thread/1062126?tstart=0
var a1 = [2, 5, 10, 7, 100, 5, .5, 0]
a2 = ['two', 'five', 'ten', 'seven', 'one hundred', 'five', 'one half', 'zero'],
a3 = [ 'deux', 'cinq', 'dix', 'sept', 'cent', 'cinq', 'un demi', 'zéro' ],
a4 = [ 'twee', 'vijf', 'tien', 'zeven', 'honderd', 'vijf', 'helft', 'nul' ],
a5 = [ 'tsvey ', 'finef', 'tzien', 'zibn', 'eyn honderd', 'finef', 'eyn halb', 'nul' ];
alert("\tIndividual Arrays Before Sort\r"+a1+"\r"+a2+"\r"+a3+"\r"+a4+"\r"+a5);
sortArraysInSync([a1,a2,a3,a4,a5], 1);
alert("\tIndividual Arrays After Sort\r"+a1+"\r"+a2+"\r"+a3+"\r"+a4+"\r"+a5);
function sortArraysInSync (myArrays, s /* number or the array to sort by (starting from 1) */)
arr = []; var l1 = ll1 = myArrays[0].length, i = ll2 = myArrays.length;
s--;
while(l1--)
arr[l1]={}
i = myArrays.length;
while(i--) eval("arr["+l1+"].key"+i+" = myArrays[i][l1]");
arr.sort(mySort);
while (ll1--) for (i=0; i<myArrays.length;i++) eval ("myArrays[i][ll1] = arr[ll1].key"+i);
alert("\tFunction Array After Sort\r"+myArrays.join("\r"))
function mySort(a, b)
if (eval("isNumber(a.key"+s+") || isNumber(b.key"+s+")")) return eval("a.key"+s+"- b.key"+s+"");
else if (eval("a.key"+s+".toLowerCase() > b.key"+s+".toLowerCase()")) return 1 else return -1;
function isNumber(n) {return !isNaN(parseFloat(n)) && isFinite(n)}; // isNumber function from http://stackoverflow.com/questions/18082/validate-numbers-in-javascript-isnumeric/1830844#1830844
For the simple 2 array sort I would have done as I said much the same as your one:
// Simple Sort Arrays in Sync Script by Trevor
// http://forums.adobe.com/thread/1062126?tstart=0
var a1 = ['two', 'five', 'ten', 'seven', 'one hundred', 'five', 'one half', 'zero'],
a2 = [2, 5, 10, 7, 100, 5, .5, 0]
alert("Individual Arrays Before Sort\r"+a1+"\r"+a2);
sortArraysInSync(a1,a2);
alert("Individual Arrays After Sort\r"+a1+"\r"+a2);
function sortArraysInSync (x, y)
var arr = [], l1 = l2 = Math.min(y.length, x.length);
while (l1--) arr.push({name: x[l1], number: y[l1]});
arr.sort(function(a, b) { return a.number - b.number; });
while (l2--)
x[l2] = arr[l2].name;
y[l2] = arr[l2].number;
I did a speed test by putting 2 3000 item arrays into my, your dbuffies and Jongware script and timing them.
These were the results.
Test done with alerts removed with program set to real time priority and alerts removed.
These were the arrays and timing method
var a1 = ['zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 'one hundred', 'seven', 'ten', 'five', 'two', 'zero', 'one half', 'five', 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sdate = new Date();
startTime = sdate.getTime();
sortArraysInSync([a1,a2],2); // each scipt to its own.
edate = new Date();
endTime = edate.getTime();
totalTime = (endTime-startTime)/1000;
alert("Individual Arrays After Sort\r"+totalTime+"\r"+a1+"\r"+a2);
Script
Seconds taken to sort 2 Arrays 3000 items each
Comments
Trevor's Simple Script
1.3
Rick's (Frameexpert) Script
12.3
Trevor's Fancy Script
33
Bduffy's Script
68
Jongware's Script
Crashed, don't know why?
Don't forget to pick the correct answer.
My 'fancy' script is slowed down considerably because of thoses evil evals. Does anyone have a solution for this?
Regards
Trevor
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