34 lines
1.1 KiB
EmacsLisp
34 lines
1.1 KiB
EmacsLisp
(defgroup ledger-exec nil
|
|
"Interface to the Ledger command-line accounting program."
|
|
:group 'ledger)
|
|
|
|
(defcustom ledger-binary-path "ledger"
|
|
"Path to the ledger executable."
|
|
:type 'file
|
|
:group 'ledger)
|
|
|
|
(defun ledger-exec-ledger (input-buffer &optional output-buffer &rest args)
|
|
"Run Ledger."
|
|
(if (null ledger-binary-path)
|
|
(error "The variable `ledger-binary-path' has not been set"))
|
|
(let ((buf (or input-buffer (current-buffer)))
|
|
(outbuf (or output-buffer
|
|
(generate-new-buffer " *ledger-tmp*"))))
|
|
(with-current-buffer buf
|
|
(let ((coding-system-for-write 'utf-8)
|
|
(coding-system-for-read 'utf-8))
|
|
(apply #'call-process-region
|
|
(append (list (point-min) (point-max)
|
|
ledger-binary-path nil outbuf nil "-f" "-")
|
|
args)))
|
|
outbuf)))
|
|
|
|
(defun ledger-exec-read (&optional input-buffer &rest args)
|
|
(with-current-buffer
|
|
(apply #'ledger-exec-ledger input-buffer nil "emacs" args)
|
|
(goto-char (point-min))
|
|
(prog1
|
|
(read (current-buffer))
|
|
(kill-buffer (current-buffer)))))
|
|
|
|
(provide 'ldg-exec)
|