#add 'chr'
sed 's/^/chr/' allSamplesMergedPeakset_peaks.narrowPeak.fe4withLamda.bed > allSamplesMergedPeakset_peaks.narrowPeak.fe4withLambda.chr.bed

#add trackline
track type=bed name=fe2noLambda description="fold-enrichment > 2, no Lambda"