"(see http://abandonmatlab.wordpress.com/2012/08/07/matlab-cant-read-plain-text-data-out-of-a-wet-paper-bag/ for an enlighening rant)." Matlab can easily read .csv text files with the xlsread command. Matlab can read other lines of text exactly the way C language does, with sscanf. Linda Seltzer DSP Engineer - Consultant