(define-record-type :job-desc
  (make-job-desc wd env cmd)
  job-desc?
  (wd job-desc-wd)
  (env job-desc-env)
  (cmd job-desc-cmd))

(define-record-type :job-res
  (make-job-res errno stdout stderr)
  job-res?
  (errno job-res-errno)
  (stdout job-res-stdout)
  (stderr job-res-stderr))

(define (display-job-output j-res)
  (display 
   (string-append 
    ";;; job finished with exitno: " 
    (number->string (job-res-errno j-res)) "\n"
    ";;; job finished with stdout:\n" 
    (job-res-stdout j-res) "\n"
    ";;; job finished with stderr:\n"
    (job-res-stderr j-res) "\n"))
  (newline))