samtools得到mapping中各个位置覆盖度情况程序，samtools tview的使用

use strict;use warnings;system 'samtools mpileup -ABQ0 -d100000 -f /home/blackstar/lastz/GRC/Yeast/share/ref/S288C_R64.fasta -l a.bed /home/blackstar/lastz/GRC/Yeast/share/02.assembly/00.novoalign/yeast_set1/H1_1/H1_1_Clean.S288C.novo.pe.dedup.bam >PREFIX.gatk.flt.spec.snp.around10.mpileup';