bash tools

parallelization

https://www.gnu.org/software/parallel/parallel_examples.html

nested calling

time parallel -j 10 " {  parallel mt  ::: bigdata2/$s/sfiles/*.bam.{}; } |\
               sam-maxscore - | jn - bigdata2/$s/sfiles/*.read.{}" ::: {0..99} > $o

https://manpages.ubuntu.com/manpages/xenial/man1/parallel_tutorial.1.html

structure with multiple variables

no name

https://devhints.io/bash