$ mkvtree -db EcoliK12 -tis -ois -v -dna
reading file "EcoliK12"
total length of sequences: 4639221
create file "EcoliK12.tis"
create file "EcoliK12.ois"
create file "EcoliK12.des"
create file "EcoliK12.sds"
create file "EcoliK12.prj"
create file "EcoliK12.al1"
overall space peak: main=4.55 MB (1.03 bytes/symbol), secondary=4.49 MB
