Path to Coordinates

#target photoshop
var origUnits = app.preferences.rulerUnits;
app.preferences.rulerUnits = Units.PIXELS;

var activeDoc = app.activeDocument;
if (typeof activeDoc.path == 'undefined') {
    var myPath='c:';
} else {
    var myPath = app.activeDocument.path;
}
filePath = myPath + '/path_coords.txt';
var f = new File(filePath);
f.open('w');

for (i=0;i<activeDoc.pathItems.length;i++) {
    var myPathItem = activeDoc.pathItems[i];
    for (j=0;j<myPathItem.subPathItems.length;j++) {
        var mySubPathItem = myPathItem.subPathItems[j];
        f.writeln(myPathItem.name + ', subpath ' + j);
        var nrPoints = mySubPathItem.pathPoints.length;
        for (k=0;k<nrPoints;k++) {
            var myPoint = mySubPathItem.pathPoints[k];

            var myAnchor = String(myPoint.anchor);
            var coords = myAnchor.split(',');
            f.write(Math.round(coords[0]) + ',' + Math.round(coords[1]));

            if (k+1!=nrPoints) f.write(',');
        }
        f.writeln();
    }
}

f.close('w');
app.preferences.rulerUnits = origUnits;
//alert('Coordinates writen to file ' + filePath);