when -s is specified, change the sample order
when -s is specified, change the sample order

lh3/samtools,AngieHinrichs/samtabix,AngieHinrichs/samtabix,lh3/samtools,AngieHinrichs/samtabix,AngieHinrichs/samtabix,AngieHinrichs/samtabix,lh3/samtools