thank you JJMack !!
this script is working great now! Here is the final working script:
// replace smart object’s content and save psd;
// 2011, use it at your own risk;
#target photoshop
if (app.documents.length > 0) {
var myDocument = app.activeDocument;
var theName = myDocument.name.match(/(.*)\.[^\.]+$/)[1];
var thePath = myDocument.path;
var theLayer = myDocument.activeLayer;
// psd options;
psdOpts = new PhotoshopSaveOptions();
psdOpts.embedColorProfile = true;
psdOpts.alphaChannels = true;
psdOpts.layers = true;
psdOpts.spotColors = true;
// check if layer is smart object;
if (theLayer.kind != "LayerKind.SMARTOBJECT") {
alert("selected layer is not a smart object")
} else {
// select files;
if ($.os.search(/windows/i) != -1) {
var theFiles = File.openDialog("please select files", "*.psd;*.tif;*.jpg", true)
} else {
var theFiles = File.openDialog("please select files", getFiles, true)
};
if (theFiles) {
// work through the array;
for (var m = 0; m < theFiles.length; m++) {
// replace smart object;
theLayer = replaceContents(theFiles, theLayer);
var theNewName = theFiles.name.match(/(.*)\.[^\.]+$/)[1];
//save jpg;
var jpegOptions = new JPEGSaveOptions();
jpegOptions.quality = 10;
jpegOptions.embedColorProfile = true;
jpegOptions.matte = MatteType.NONE;
myDocument.saveAs((new File(thePath + "/" + theNewName + ".jpg")), jpegOptions, true);
}
}
}
};
////// get psds, tifs and jpgs from files //////
function getFiles(theFile) {
if (theFile.name.match(/\.(psd|tif|jpg)$/i) != null || theFile.constructor.name == "Folder") {
return true
};
};
////// replace contents //////
function replaceContents(newFile, theSO) {
app.activeDocument.activeLayer = theSO;
// =======================================================
var idplacedLayerReplaceContents = stringIDToTypeID("placedLayerReplaceContents");
var desc3 = new ActionDescriptor();
var idnull = charIDToTypeID("null");
desc3.putPath(idnull, new File(newFile));
var idPgNm = charIDToTypeID("PgNm");
desc3.putInteger(idPgNm, 1);
executeAction(idplacedLayerReplaceContents, desc3, DialogModes.NO);
return app.activeDocument.activeLayer
};