task md5 { File inputFile command { /bin/my_md5sum ${inputFile} } output { File value = "md5sum.txt" } runtime { docker: "quay.io/briandoconnor/dockstore-tool-md5sum:1.0.4" cpu: 1 memory: "512 MB" } } workflow ga4ghMd5 { File inputFile call md5 { input: inputFile=inputFile } }