test_sep.wdl

task bwa_mem_tool {
  Int threads
  Int min_seed_length
  Int min_std_max_min

  command {
    echo ${threads} ${min_seed_length} ${sep=',' min_std_max_min+} > output.sam
  }
  output {
    File sam = "output.sam"
  }
}


workflow main {
  call bwa_mem_tool {input:
    min_std_max_min=15,
    threads=14,
    min_seed_length=13
  }
}