I used this post to have all Google Sheets IDs in a folder Getting all files' file-id from a folder in Google Drive
I would like to make a formula or script to sum values in table across all these sheets IDs (note, the table is present in all sheets with same cell range).
Instead of copying and pasting the sheets Ids manually every time, I would like to make formula with variables that represents sheets ID so that every time I just past the sheets ID and the variables are assigned for each sheets.
Some thing in my mind like this:
And so on... while the formula is fixed