file

tasks/untar.wdl

@@ -9,6 +9,8 @@ task untar {
 	command <<<
 		nt=$(nproc)
 		tar -zxvf ${tar_file}
+		tree > tree.file.txt
+		ls > ls.file.txt
 	>>>
 
 	runtime {
@@ -20,5 +22,7 @@ task untar {
 
 	output {
 		Array[File] fastq_file = glob("*.fastq.gz")
+		File tree_file = "tree.file.txt"
+		File ls_file = "ls.file.txt"
 	}
 }