Sort list of file names logically

[wiplash]

Hi there,

I am near the point of breakdown trying to figure this out it's beyond my capabilities and maybe even brain power. I have a list of file names and I want to sort them as any logical human would.

728x250_expandable_frame1.jpg
to
728x250_expandable_frame15.jpg

At the moment when I use:-

files.sort(Array.CASEINSENSITIVE);

It assumes that frame4.jpg is greater than frame15.jpg so the order comes out:-
frame1, frame11, frame12, frame13

when obviously i want frame1, frame2, frame3

Any help would be greatly appreciated.

Will

P.s. I realised i could just name the files 01, 02, 03 but really I don't want to have to do this as it supposed to be an automated system.

[samac1068]

The reason you are running into the problem is because it isn't interpreting the number as numbers but as a string. You may need to add a method to separate the file name out and manually (through code) sort of file names, which will account for the string prefix. You may need to analyze by parsing out the number and then evaluating as a number instead of a string. Using the included sort function would be nice and can be partially used, but you may be force to build your own method that sort to your specifications.

[cosmic_bliss]

Try this:

var files = new Array("728x250_expandable_frame1.jpg", "728x250_expandable_frame2.jpg", "728x250_expandable_frame3.jpg", "728x250_expandable_frame4.jpg", "728x250_expandable_frame5.jpg", "728x250_expandable_frame6.jpg", "728x250_expandable_frame7.jpg", "728x250_expandable_frame8.jpg", "728x250_expandable_frame9.jpg", "728x250_expandable_frame10.jpg", "728x250_expandable_frame11.jpg", "728x250_expandable_frame12.jpg");
var myarr = new Array();
for (var i = 0; i<files.length; i++) {
    var getstr = files[i].indexOf("_frame")+6;
    var str1 = files[i].substr(0, getstr);
    var str2 = files[i].substr(getstr);
    var strar = str2.split(".");
    var obj = new Object();
    obj.firstpart = str1;
    obj.thenumber = Number(strar[0]);
    obj.filetype = "."+strar[1];
    myarr.push(obj);
}
myarr.sortOn("thenumber",Array.NUMERIC);
for (var j = 0; j<myarr.length; j++) {
    files[j] = myarr[j].firstpart+myarr[j].thenumber+myarr[j].filetype;
}
trace(files);