Removes and returns the indicated columns or rows. In the default mixed
mode indices refer to rows and everything else is assumed to be a column headers. Use by_col!() or by_row!() to force the lookup.
# File lib/csv/table.rb, line 271
def delete(*indexes_or_headers)
if indexes_or_headers.empty?
raise ArgumentError, "wrong number of arguments (given 0, expected 1+)"
end
deleted_values = indexes_or_headers.map do |index_or_header|
if @mode == :row or # by index
(@mode == :col_or_row and index_or_header.is_a? Integer)
@table.delete_at(index_or_header)
else # by header
if index_or_header.is_a? Integer
@headers.delete_at(index_or_header)
else
@headers.delete(index_or_header)
end
@table.map { |row| row.delete(index_or_header).last }
end
end
if indexes_or_headers.size == 1
deleted_values[0]
else
deleted_values
end
end