Does a .CSV file zero bytes in length have one empty cell or zero cells?

Zero cells

This usually occurs when a program “autosaves” a file that has not been written to yet.

@DrBill: Thanks. For bonus credit does the 2 byte CRLF .csv have zero cells or one empty cell? The CRLF is optional at the end of a .csv so it would appear that even the zero-cell .csv could have one but I am not so sure.

It does not have one, but it does set aside the space for one to be added later

What extention is this for anyway?

@XOIIO: It is for any data you want to organize in rows and columns. You can read and edit the data in a text editor. Spreadsheets, database tables, logs, etc. are commonly exportable to .csv

http://en.wikipedia.org/wiki/Comma-separated_values