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-;;; ob-ledger.el --- org-babel functions for ledger evaluation
-
-;; Copyright (C) 2010 Free Software Foundation, Inc.
-
-;; Author: Eric S Fraga
-;; Keywords: literate programming, reproducible research, accounting
-;; Homepage: http://orgmode.org
-;; Version: 7.4
-
-;; 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 leger 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 (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)
-
-;; arch-tag: 7bbb529e-95a1-4236-9d29-b0000b918c7c
-
-;;; ob-ledger.el ends here