Character encoding

Columns are separated by
	commas (CSV)
	tabs (TSV)
	custom
Escape special characters with \

	Ignore first	line(s) at beginning of file
	Parse next	line(s) as column headers
	Discard initial	row(s) of data
	Load at most	row(s) of data

Rows are separated by
	new line characters \n
	custom
Escape special characters with \

	Parse cell text into numbers, dates, ...
	Quotation marks are used to enclose cells containing column separators

	Store blank rows
	Store blank cells as nulls
	Store file source (file names, URLs) in each row