Sorry I'm new to this but I'm trying to automatically populate a Google Sheet with data from a spreadsheet which is delivered daily to my Gmail account (primarily because I'd then like to use that as a data source for a Google Data Studio Report...).
I've looked at the following pieces of code already published on Stack Overflow:
Simple script to import gmail csv attachment to google sheets
Import CSV attachment into google sheets
Update Spreadsheet via Email Attachments
In every case I'm getting an output in Google Sheets which opens normally but then adds non alpha numeric symbols in between the numbers in the spreadsheet - e.g.:
https://docs.google.com/spreadsheets/d/1bpeTXotjvT2dvTXiivKLd2q6j0m2QDKgQ9CYcPqxsdE/edit?usp=sharing
https://docs.google.com/spreadsheets/d/1tzuAonz7IpYnyYXagj4YG_cNEG6zx_VWx-M17YJubUg/edit?usp=sharing
https://docs.google.com/spreadsheets/d/1UHmmFgwUP5JnFsoxkf6ZhH-a2PeR_5ZHvPv7jWCtsGU/edit?usp=sharing
https://docs.google.com/spreadsheets/d/1nOzFWhhWuRzQo2nrcaw9-rQiimobubI06TA447rAGis/edit?usp=sharing
Can anyone please advise what I'm doing wrong?