cat trackDb.JAZF1-liver-Mar2019.txt trackDb.JAZF1-liver-8wkHFD-Dec2021.txt trackDb.JAZF1-eWAT-May2019.txt trackDb.JAZF1-eWAT-8wkHFD-Oct2020.txt trackDb.JAZF1-adrenal-Dec2020.txt trackDb.JAZF1-BAT-8wkHFD-Aug2021.txt > trackDb.txt