Right. It was also fetching the bam.bai files. Should have seen that. Cheers, Nico --------------------------------------------------------------- Nicolas Delhomme Nathaniel Street Lab Department of Plant Physiology Ume? Plant Science Center Tel: +46 90 786 7989 Email: nicolas.delhomme at umu.se SLU - Ume? universitet Ume? S-901 87 Sweden --------------------------------------------------------------- On 26 Nov 2013, at 20:07, Sylvain Foisy Ph. D. <sylvain.foisy at="" diploide.net=""> wrote: > Hi Nicolas, > > I found my problem with Martin's help ;-) My regex for the pattern was wrong: I should have used *_accepted_hits.bam$ instead of *_accepted_hits.bam*... > > Best regards > > S > >