$ ccwl compile capture-output-file.scm > capture-output-file.cwl
$ cwltool capture-output-file.cwl --archive hello.tar
[workflow ] start
[workflow ] starting step extract
[step extract] start
[job extract] /tmp/nrolttex$ tar \
    --extract \
    --file \
    /tmp/z7pp7qwh/stg3ac272aa-3459-4f20-a033-86f53ba72caf/hello.tar
[job extract] completed success
[step extract] completed success
[workflow ] completed success
{
    "extracted-file": {
        "location": "file:///home/manimekalai/hello.txt",
        "basename": "hello.txt",
        "class": "File",
        "checksum": "sha1$a0b65939670bc2c010f4d5d6a0b3e4e4590fb92b",
        "size": 13,
        "path": "/home/manimekalai/hello.txt"
    }
}
Final process status is success