#TODO: ascii format (default) (+ binary format?)
-writeTmp(curves [uncompressed coeffs, limited number - nbSeriesPerChunk], last=FALSE) #if last=TRUE, close the conn
-readTmp(..., from index, n curves) #careful: connection must remain open
+defaultWriteTmp = function(curves [uncompressed coeffs, limited number - nbSeriesPerChunk], last=FALSE)
+{
+ #if last=TRUE, close the conn (??)
+}
+#careful: connection must remain open
+defaultReadTmp = function(start, n)
+{
+
+}