I am trying this code to copy a Google spreadsheet into a specific folder
var targetFolder = DocsList.createFolder("Testing");
var mainDocBlob = DocsList.getFileById("docId").getBlob();
var newMainDoc = targetFolder.createFile(mainDocBlob);
But the resulting file is a Pdf file instead of a spreadsheet as the source was.
How to do this right using DocsList and always getting the same type of file as the source is.
Thanks
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