Dear all, I wrote a small brainvision renamer tool based on RegEx patters which I needed to make the filenames of my EEG-Recordings more consistent. If anyone is interested in, check out http://code.google.com/p/eeg-renamer/ Cheers, Paul -- Paul Czienskowski Björnsonstr. 25 12163 Berlin Tel.: (+49)(0)30/221609359 Handy: (+49)(0)1788378772