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blob c9fab4a0aa7c9f0d3117bd2ae7e8949c1a4d8b9c 2446 bytes (raw)
name: lisp/ob-ledger.el 	 # note: path name is non-authoritative(*)

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;;; ob-ledger.el --- org-babel functions for ledger evaluation

;; Copyright (C) 2010-2013 Free Software Foundation, Inc.

;; Author: Eric S Fraga
;; Keywords: literate programming, reproducible research, accounting
;; Homepage: http://orgmode.org

;; This file is part of GNU Emacs.

;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;; Org-Babel support for evaluating ledger entries.
;;
;; This differs from most standard languages in that
;;
;; 1) there is no such thing as a "session" in ledger
;;
;; 2) we are generally only going to return output from the ledger program
;;
;; 3) we are adding the "cmdline" header argument
;;
;; 4) there are no variables

;;; Code:
(require 'ob)

(defvar org-babel-default-header-args-ledger
  '((:results . "output") (:cmdline . "bal"))
  "Default arguments to use when evaluating a ledger source block.")

(defun org-babel-execute:ledger (body params)
  "Execute a block of Ledger entries with org-babel.  This function is
called by `org-babel-execute-src-block'."
  (message "executing Ledger source code block")
  (let ((result-params (split-string (or (cdr (assoc :results params)) "")))
	(cmdline (cdr (assoc :cmdline params)))
        (in-file (org-babel-temp-file "ledger-"))
	(out-file (org-babel-temp-file "ledger-output-")))
    (with-temp-file in-file (insert body))
    (message "%s" (concat "ledger"
			  " -f " (org-babel-process-file-name in-file)
			  " " cmdline))
    (with-output-to-string
      (shell-command (concat "ledger"
			     " -f " (org-babel-process-file-name in-file)
			     " " cmdline
			     " > " (org-babel-process-file-name out-file))))
    (with-temp-buffer (insert-file-contents out-file) (buffer-string))))

(defun org-babel-prep-session:ledger (session params)
  (error "Ledger does not support sessions"))

(provide 'ob-ledger)



;;; ob-ledger.el ends here

debug log:

solving c9fab4a ...
found c9fab4a in https://yhetil.org/orgmode/87k3orl3l6.fsf_-_@med.uni-goettingen.de/
found 17911cc in https://git.savannah.gnu.org/cgit/emacs/org-mode.git
preparing index
index prepared:
100644 17911cc79c4a5ad561b0287e32afd6787afbc96e	lisp/ob-ledger.el

applying [1/1] https://yhetil.org/orgmode/87k3orl3l6.fsf_-_@med.uni-goettingen.de/
diff --git a/lisp/ob-ledger.el b/lisp/ob-ledger.el
index 17911cc..c9fab4a 100644

Checking patch lisp/ob-ledger.el...
Applied patch lisp/ob-ledger.el cleanly.

index at:
100644 c9fab4a0aa7c9f0d3117bd2ae7e8949c1a4d8b9c	lisp/ob-ledger.el

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