第一题

# 窗口拆分 test.bed 需要修改
bedtools  makewindows -g test.bed  -w  100000 -s 100000 >> 100k_window.bed
# tumor coverage count
bedtools coverage -a 100k_window.bed -b tumor.bam  > tumor.counts.txt
# normal coverage count
bedtools coverage -a 100k_window.bed -b normal.bam  > normal.counts.txt