How do I append a sub-directory in my save as script?

Question

I have a script I've made that saves images with a custom extension, currently it saves it as a copy in the source directory. I want to append a sub-directory for the copy to be saved in when it's complete. Here is my script:

#target photoshop

main();

function main(){

if(!documents.length) return;

try{

var Path= activeDocument.path;

}catch(e){var Path = "~/desktop";}

var Name = decodeURI(app.activeDocument.name).replace(/\.[^\.]+$/, '');

var saveFile= new File(Path + "/Maps" + Name + ".map.png");

sfwPNG24(saveFile);

}

function sfwPNG24(saveFile){

var pngOpts = new PNGSaveOptions;

pngOpts.compression = 9;

pngOpts.interlaced = true;

activeDocument.saveAs(saveFile, pngOpts, true, Extension.LOWERCASE);

}

I believe this is determined on line ten. I have already tried using `/Maps` but it does not work. Is this possible? If so, how can I get this to work in my script?

Chuck Uebele · Accepted Answer

You actually have to create the sub folder first. Just adding the name to a path won't create it.

Declare the sub folder to a variable, then check to see if it exists. If not, add it.

var subFolder = new Folder(activeDocument.path + '/Maps/')

if (!subFolder.exists){subFolder.create()};

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