cat snpeff.vcf | java -jar SnpSift.jar filter " ( POS >= 122 ) & ( POS <= 124 ) & ( CHROM = 'chr1' ) " > spe_snpeff.vcf
提取一号染色体上位置为122-124范围的位点
cat variants.vcf | java -jar SnpSift.jar filter --set my_rs.txt "ID in SET[0]" > filtered.vcf
my_rs.txt格式如下：
rs12121
rs242343
rs2348724
.
.
.
提取SNP位点