giggle index -s -f -i "encodeOpenChromatinPeaksSorted/*gz" -o encodeOpenChromatinPeaksSorted_b
giggle: Index and file 'encodeOpenChromatinPeaksSorted_b/cache.12.dat' are out of sync.: Is a directory
giggle index -f -s -i "encodeOpenChromatinPeaksSorted/*gz" -o encodeOpenChromatinPeaksSorted_b
and not
giggle index -s -f -i "encodeOpenChromatinPeaksSorted/*gz" -o encodeOpenChromatinPeaksSorted_b