Replace tag…

script

// replace tags

var p = Prompt.create();
p.title = "Enter Tags";
p.message = "Enter the tag you want to replace and the tag you will replace it with."
p.addTextField("oldTag","Old Tag","")
p.addTextField("newTag","New Tag","");
p.addButton("Go");
var con = p.show();

var oldTag = p.fieldValues["oldTag"];
var newTag = p.fieldValues["newTag"];

if (con) {
  var items = Draft.query("", "all", [oldTag])
  for (var item of items) {
    item.removeTag(oldTag);
    item.addTag(newTag);
    item.update();  
  }
}
else {
  context.cancel
}