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how can I retrieve Photoshop artlayer names from specific sub-layerset into an array?

I have a Photoshop PSD document which has a layerset named “Flags“. “Flags” has a sub-layerset called “LEFT-Flags“ which itself contains artlayers, each with a national flag image. The number of these artlayers is currently around 40 – but will increase over time.

As an ExtendScript newbie, may I ask how – in ExtendScript – can I extract the NAMES of each of the artlayers to an array please?

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2

Answers


  1. 0

    Basically it can be done this way:

    var layers = app.activeDocument
    .layerSets['Flags']
    .layerSets['LEFT-Flags']
    .artLayers;

var names = [];
for (var i=0; i<layers.length; i++) names.push(layers[i].name);

// put the names into a txt file and open the file
var f = File(Folder.temp + '/layers_names.txt');
f.open('w');
f.encoding = 'UTF-8';
f.write(names.join('n'));
f.close();
f.execute();

    The array names will contain the names.

    But I don’t know what you want to do with this array. Do you mean to save it as a TXT file?

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  2. 0

    Scripting with sub-layers is often a pain. One of the best things to do is loop over the whole Photoshop file – which can get slow on how may layers you have. – You might find it useful:

    // group layer vegetables
var allLayers = new Array();
var theLayers = collectAllLayers(app.activeDocument, 0);

function doStuff(alayer)
{
   var currentLayerName = alayer.name;
   alert(currentLayerName);
}


// function collect all layers
function collectAllLayers (theParent, level)
{
   for (var m = theParent.layers.length - 1; m >= 0; m--)
   {
      var theLayer = theParent.layers[m];
      
      // apply the function to layersets;
      if (theLayer.typename == "ArtLayer")

      {
         // find the art layers
         doStuff(theLayer)
      }
      else
      {
         allLayers.push(level + theLayer.name);
         collectAllLayers(theLayer, level + 1)
      }
   }
}
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