find . -type f -name "*.err" -exec rm {} \;
find . -type f -name "*.out" -exec rm {} \;
find . -type f -name "*.content" -exec rm {} \;
find . -type f -name "*.header" -exec rm {} \;
find . -type f -name "*_bed2wig2bw*" -exec rm {} \;
find . -type f -name "*.wig" -exec rm {} \;