<html><head></head><body><div class="ydp667d4c12yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false"><div><font face="verdana, helvetica, sans-serif">Dear Gate Users,<br><br><br>I want to merge "db-*.root" files produced with run of "runall-elements.sh" in "~/GateContrib-master/imaging/vpgtle/stage0" directory. The 25 produced "db-*.root" files are in "output" directory. I run "$python pgdb.merge.py 25 output", but ".root" files are not find. Screenshot of terminal is attached.<br><br>Thank you for your help!<br><br>Best,<br><br><br>Parishan</font></div><div><br></div></div></div></body></html>