Illustrator script to select multiple layers

Question

I have about 74 layers in illustrator and i want to run a script to select combination of layers at a time.
For e.g. I want 5 layers to be selected and save them as one .jpg. Then say i need to select other 3 layers to save it as a seperate .jpg file. If i do it manually it comes upto 300,000 images.
I can create a csv file with all layers to be selected presented in a row. I need help with the command to select 4 or more layers at a time, say if i have layer1, layer2, layer3, layer4 then a command to select those 4 layers and save them as a .jpg file.
Any help will be greatly appreciated.
Thanks
H Patel
CEO
Data Entry India

Answer 1

Create a csv or .text file ( i used "test.txt"  and place it at any location say C:\\)
Enter the layer names to be exported in each row separated by ";"  like
Layer 1;Layer 2
Layer 4;Layer 5;Layer 7      // you can type in the names of as many layers you wanted to export in a single jpeg
Open your main .Ai file in Illustrator and run the following script
var count;
count =1;
var f = new File ("C:\\test.txt");
f.open("r");
while(!f.eof)
c=f.readln();
var arr = c.split(";");
var len= arr.length;
for(i=0;i<len;i++)
   lay= app.activeDocument.layers.getByName(arr[i]);
   lay.hasSelectedArtwork=true;
app.copy();
app.documents.add();   
app.paste();
   var exportOptions = new ExportOptionsJPEG();
   var type = ExportType.JPEG
   var fileSpec = new File("c:\\"+count+".jpg");
    app.activeDocument.exportFile( fileSpec, type, exportOptions );
app.activeDocument.close();
for(i=0;i<len;i++)
    app.activeDocument.layers.getByName(arr[i]).hasSelectedArtwork=false;
count ++;
What this script is doing is
it is reading a line from the .txt file (c:\\test.txt in this case)  and pushing the layers to be exported in an array
then selecting the objects on the layers to be exported
copying the selected contents
pasting the contents on the new doc
exporting as jpeg
closing the doc
deselecting the selected objects
Hope this will solve your problem ...