// enable double clicking from the Macintosh Finder or the Windows Explorer
#target photoshop


///////////////////////////
//       SET-UP          //
///////////////////////////


// A list of file extensions to skip, keep them lower case

	gFilesToSkip = Array( "db", "xmp", "thm", "txt", "doc", "md0", "tb0", "adobebridgedb", "adobebridgedbt", "bc", "bct" );


// Pops open a dialog for the user to choose the folder of documents to process

	var inputFolder = Folder.selectDialog("Select a folder of documents to process");


// Pops open a dialog for the user to set the output folder

	var outputFolder = Folder.selectDialog("Select a folder for the output files");



///////////////////////////
//         MAIN          //
///////////////////////////



// Open Folder of Images
	
	OpenFolder();


// show the path to an output folder
	
	alert(outputFolder);



///////////////////////////
//       FUNCTIONS       //
///////////////////////////



// Given the a Folder of files, open them

function OpenFolder() {
        var filesOpened = 0;
        var fileList = inputFolder.getFiles();
        for ( var i = 0; i < fileList.length; i++ ) {
        		   // Make sure all the files in the folder are compatible with PS
                if ( fileList[i] instanceof File && ! fileList[i].hidden && ! IsFileOneOfThese( fileList[i], gFilesToSkip )) {
                        open( fileList[i] );
                        filesOpened++;
                }
        }
        return filesOpened;
}


// given a file name and a list of extensions
// determine if this file is in the list of extensions

function IsFileOneOfThese( inFileName, inArrayOfFileExtensions ) {
	var lastDot = inFileName.toString().lastIndexOf( "." );
	if ( lastDot == -1 ) {
		return false;
	}
	var strLength = inFileName.toString().length;
	var extension = inFileName.toString().substr( lastDot + 1, strLength - lastDot );
	extension = extension.toLowerCase();
	for (var i = 0; i < inArrayOfFileExtensions.length; i++ ) {
		if ( extension == inArrayOfFileExtensions[i] ) {
			return true;
		}
	}
	return false;
}