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Merge branch 'develop' of stardiviner/org-mode into master

bzg 1 year ago
parent
commit
8d7b6e5489

+ 277 - 0
contrib/lisp/ob-clojure-literate.el

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+;;; ob-clojure-literate.el --- Clojure's Org-mode Literate Programming.
+
+;; Authors: stardiviner <numbchild@gmail.com>
+;; Package-Requires: ((emacs "24.4") (org "9") (cider "0.16.0") (dash "2.12.0"))
+;; Package-Version: 1.1
+;; Keywords: tools
+;; homepage: https://github.com/stardiviner/ob-clojure-literate
+
+;; 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:
+;;
+;; Auto setup ob-clojure-literate scaffold and jack-in Clojure project.
+;;
+;; Usage:
+;;
+;; [M-x ob-clojure-literate-mode] to toggle this minor mode.
+
+;;; Code:
+
+(require 'ob-clojure)
+(require 'cider)
+(require 'dash)
+
+(defgroup ob-clojure-literate nil
+  "Clojure's Org-mode Literate Programming."
+  :prefix "ob-clojure-literate-"
+  :group 'ob-babel)
+
+;;;###autoload
+(defcustom ob-clojure-literate-auto-jackin-p nil
+  "Auto jack in ob-clojure project.
+Don't auto jack in by default for not rude."
+  :type 'boolean
+  :group 'ob-clojure-literate)
+
+(defcustom ob-clojure-literate-project-location (concat user-emacs-directory "Org-mode/")
+  "The location for `ob-clojure-literate' scaffold project."
+  :type 'string
+  :group 'ob-clojure-literate)
+
+(defvar ob-clojure-literate-session nil)
+(defvar ob-clojure-literate-original-ns nil)
+(defvar ob-clojure-literate-session-ns nil)
+(defvar ob-clojure-literate-cider-connections nil)
+
+(defcustom ob-clojure-literate-default-session "*cider-repl ob-clojure*"
+  "The default session name for `ob-clojure-literate'."
+  :type 'string
+  :group 'ob-clojure-literate)
+
+(defun ob-clojure-literate-any-connection-p ()
+  "Return t if have any CIDER connection."
+  (and
+   ;; handle the case `cider-jack-in' is not finished creating connection, but `ob-clojure-literate-mode' is enabled.
+   (not (null (cider-connections)))
+   (not (null ob-clojure-literate-session)) ; before mode enabled, it is nil.
+   (not (string-empty-p ob-clojure-literate-session)) ; after disable, it is "".
+   ))
+
+(defun ob-clojure-literate-get-session-list ()
+  "Return a list of available started CIDER REPL sessions list."
+  (-map 'buffer-name cider-connections))
+
+(defun ob-clojure-literate-set-session ()
+  "Set session name for buffer local."
+  ;; if default session is the only one in connections list.
+  (if (and (= (length (ob-clojure-literate-get-session-list)) 1)
+           (-contains-p (ob-clojure-literate-get-session-list) ob-clojure-literate-default-session))
+      (setq-local ob-clojure-literate-session ob-clojure-literate-default-session)
+    ;; if have any connections, choose one from them.
+    (if (ob-clojure-literate-any-connection-p)
+        (setq-local ob-clojure-literate-session
+                    (completing-read "Choose ob-clojure-literate :session : "
+                                     (ob-clojure-literate-get-session-list)))
+      ;; if none, set to default session name to fix `ob-clojure-literate-mode'
+      ;; is enabled before `cider-jack-in' generated connections.
+      (setq-local ob-clojure-literate-session ob-clojure-literate-default-session))
+    ))
+
+;;;###autoload
+(defun ob-clojure-literate-specify-session-header-argument ()
+  "Specify ob-clojure header argument :session with value selected from a list of available sessions."
+  (interactive)
+  (let ((lang (nth 0 (org-babel-get-src-block-info))))
+    (if (and (string= lang "clojure") ; only in clojure src block.
+             (car (seq-filter ; only when :session is not specified yet.
+                   (lambda (header-argument)
+                     (if (eq (car header-argument) :session)
+                         (not (null (cdr header-argument)))))
+                   (nth 2 (org-babel-get-src-block-info)))))
+        (org-babel-insert-header-arg
+         "session"
+         (format "\"%s\""
+                 (completing-read
+                  "Choose :session for ob-clojure-literate: "
+                  (ob-clojure-literate-get-session-list))))
+      (message "This function only used in `clojure' src block.")))
+  )
+
+;;; Auto start CIDER REPL session in a complete Leiningen project environment for Org-mode Babel to jack-in.
+;;;###autoload
+(defun ob-clojure-literate-auto-jackin ()
+  "Auto setup ob-clojure-literate scaffold and jack-in Clojure project."
+  (interactive)
+  (unless (file-directory-p (expand-file-name ob-clojure-literate-project-location))
+    (make-directory ob-clojure-literate-project-location t)
+    (let ((default-directory ob-clojure-literate-project-location))
+      (shell-command "lein new ob-clojure")))
+  (unless (or
+           (and (cider-connected-p)
+                (if (not (null ob-clojure-literate-session))
+                    (seq-contains cider-connections (get-buffer ob-clojure-literate-session))))
+           cider-connections
+           (not (null ob-clojure-literate-session)))
+    ;; return back to original file.
+    (if (not (and (= (length (ob-clojure-literate-get-session-list)) 1)
+                  (-contains-p (ob-clojure-literate-get-session-list) ob-clojure-literate-default-session)))
+        (save-window-excursion
+          (find-file (expand-file-name (concat ob-clojure-literate-project-location "ob-clojure/src/ob_clojure/core.clj")))
+          (with-current-buffer "core.clj"
+            (cider-jack-in))))))
+
+(defun ob-clojure-literate-set-local-cider-connections (toggle?)
+  "Set buffer local `cider-connections' for `ob-clojure-literate-mode' `TOGGLE?'."
+  (if toggle?
+      (progn
+        (setq ob-clojure-literate-cider-connections cider-connections)
+        (unless (local-variable-if-set-p 'cider-connections)
+          (make-local-variable 'cider-connections))
+        (setq-local cider-connections ob-clojure-literate-cider-connections))
+    ;; store/restore emptied CIDER connections by `ob-clojure-literate-enable'.
+    (kill-local-variable 'cider-connections) ; kill local variable so that I can get the original global variable value.
+    ;; Empty all CIDER connections to avoid `cider-current-connection' return any connection.
+    ;; FIXME: when try to enable, `cider-connections' is local and nil.
+    ;; (if (and (= (length (ob-clojure-literate-get-session-list)) 1)
+    ;;          (-contains-p (ob-clojure-literate-get-session-list) ob-clojure-literate-default-session)))
+    ;; (unless (local-variable-if-set-p 'cider-connections)
+    ;;   (make-local-variable 'cider-connections))
+    ;; (setq-local cider-connections '())
+    ))
+
+(defun ob-clojure-literate-cider-do-not-find-ns (body params)
+  "Fix the issue that `cider-current-ns' try to invoke `clojure-find-ns' to extract ns from buffer."
+  ;; TODO: Is it possible to find ns in `body'?
+  (when (ob-clojure-literate-any-connection-p)
+    (setq ob-clojure-literate-original-ns (cider-current-ns))
+    (with-current-buffer ob-clojure-literate-session
+      (setq ob-clojure-literate-session-ns cider-buffer-ns))
+    (setq-local cider-buffer-ns ob-clojure-literate-session-ns))
+  (message (format "ob-clojure-literate: current CIDER ns is [%s]." cider-buffer-ns)))
+
+(defun ob-clojure-literate-set-local-session (toggle?)
+  "Set buffer local `org-babel-default-header-args:clojure' for `ob-clojure-literate-mode' `TOGGLE?'."
+  (if toggle?
+      (progn
+        ;; set local default session for ob-clojure.
+        (setq ob-clojure-literate-session (ob-clojure-literate-set-session))
+        (unless (local-variable-if-set-p 'org-babel-default-header-args:clojure)
+          (make-local-variable 'org-babel-default-header-args:clojure))
+        (add-to-list 'org-babel-default-header-args:clojure
+                     `(:session . ,ob-clojure-literate-session))
+        )
+    ;; remove :session from buffer local default header arguments list.
+    (unless (local-variable-if-set-p 'org-babel-default-header-args:clojure)
+      (make-local-variable 'org-babel-default-header-args:clojure))
+    (setq org-babel-default-header-args:clojure
+          (delq t
+                (mapcar
+                 (lambda (cons) (if (eq (car cons) :session) t cons))
+                 org-babel-default-header-args:clojure)))
+    ))
+
+;;; Support `org-babel-initiate-session' / [C-c C-v z] to initialize Clojure session.
+
+(defun org-babel-clojure-initiate-session (&optional session _params)
+  "Initiate a session named SESSION according to PARAMS."
+  (when (and session (not (string= session "none")))
+    (save-window-excursion
+      (unless (org-babel-comint-buffer-livep session)
+        ;; CIDER jack-in to the Clojure project directory.
+        (cond
+         ((eq org-babel-clojure-backend 'cider)
+          (require 'cider)
+          (let ((session-buffer (save-window-excursion
+                                  (cider-jack-in t)
+                                  (current-buffer))))
+            (if (org-babel-comint-buffer-livep session-buffer)
+                (progn (sit-for .25) session-buffer))))
+         ((eq org-babel-clojure-backend 'slime)
+          (error "Session evaluation with SLIME is not supported"))
+         (t
+          (error "Session initiate failed")))
+        )
+      (get-buffer session)
+      )))
+
+(defun org-babel-prep-session:clojure (session params)
+  "Prepare SESSION according to the header arguments specified in PARAMS."
+  (let* ((session (org-babel-clojure-initiate-session session))
+         (var-lines (org-babel-variable-assignments:clojure params)))
+    (when session
+      (org-babel-comint-in-buffer session
+        (mapc (lambda (var)
+                (insert var) (comint-send-input nil t)
+		(org-babel-comint-wait-for-output session)
+		(sit-for .1) (goto-char (point-max))) var-lines)))
+    session))
+
+(defun org-babel-clojure-var-to-clojure (var)
+  "Convert src block's `VAR' to Clojure variable."
+  ;; TODO: reference `org-babel-python-var-to-python'
+  )
+
+(defun org-babel-variable-assignments:clojure (params)
+  "Return a list of Clojure statements assigning the block's variables in `PARAMS'."
+  (mapcar
+   (lambda (pair)
+     (format "(def %s %s)"
+             (car pair)
+             ;; (org-babel-clojure-var-to-clojure (cdr pair))
+             (cdr pair)))
+   (org-babel--get-vars params)))
+
+
+(defvar ob-clojure-literate-mode-map
+  (let ((map (make-sparse-keymap)))
+    map)
+  "Keymap for `ob-clojure-literate-mode'.")
+
+(define-key org-babel-map (kbd "M-s") 'ob-clojure-literate-specify-session-header-argument)
+(define-key org-babel-map (kbd "M-j") 'ob-clojure-literate-auto-jackin)
+;; (define-key org-babel-map (kbd "M-e") 'cider-eval-last-sexp)
+;; (define-key org-babel-map (kbd "M-d") 'cider-doc)
+
+;;;###autoload
+(defun ob-clojure-literate-enable ()
+  "Enable Org-mode buffer locally for `ob-clojure-literate'."
+  (when (and (not (null cider-connections)) ; only enable `ob-clojure-literate-mode' when has CIDER connections.
+             (equal major-mode 'org-mode)) ; `ob-clojure-literate-mode' only works in `org-mode'.
+    (ob-clojure-literate-set-local-cider-connections ob-clojure-literate-mode)
+    (ob-clojure-literate-set-local-session ob-clojure-literate-mode)
+    (advice-add 'org-babel-execute:clojure :before #'ob-clojure-literate-cider-do-not-find-ns)
+    (message "ob-clojure-literate minor mode enabled.")))
+
+;;;###autoload
+(defun ob-clojure-literate-disable ()
+  "Disable Org-mode buffer locally for `ob-clojure-literate'."
+  (advice-remove 'org-babel-execute:clojure #'ob-clojure-literate-cider-do-not-find-ns)
+  (setq-local cider-buffer-ns ob-clojure-literate-original-ns)
+  (ob-clojure-literate-set-local-cider-connections ob-clojure-literate-mode)
+  (ob-clojure-literate-set-local-session ob-clojure-literate-mode)
+  (message "ob-clojure-literate minor mode disabled."))
+
+;;;###autoload
+(if ob-clojure-literate-auto-jackin-p (ob-clojure-literate-auto-jackin))
+
+;;;###autoload
+(define-minor-mode ob-clojure-literate-mode
+  "A minor mode to toggle `ob-clojure-literate'."
+  :require 'ob-clojure-literate
+  :init-value t
+  :lighter " clj-lp"
+  :group 'ob-clojure-literate
+  :keymap ob-clojure-literate-mode-map
+  :global nil
+  (if ob-clojure-literate-mode
+      (ob-clojure-literate-enable)
+    (ob-clojure-literate-disable))
+  )
+
+
+
+(provide 'ob-clojure-literate)
+
+;;; ob-clojure-literate.el ends here

+ 45 - 0
contrib/lisp/ob-lua.el

@@ -0,0 +1,45 @@
+;;; ob-lua.el --- Execute Lua code within org-mode blocks.
+;; Copyright 2016 stardiviner
+
+;; Author: stardiviner <numbchild@gmail.com>
+;; Maintainer: stardiviner <numbchild@gmail.com>
+;; Keywords: org babel lua
+;; URL: https://github.com/stardiviner/ob-lua
+;; Created: 12th April 2016
+;; Version: 0.0.1
+;; Package-Requires: ((org "8"))
+
+;;; Commentary:
+;;
+;; Execute Lua code within org-mode blocks.
+
+;;; Code:
+(require 'org)
+(require 'ob)
+
+(defgroup ob-lua nil
+  "org-mode blocks for Lua."
+  :group 'org)
+
+(defcustom ob-lua:default-session "*lua*"
+  "Default Lua session.
+
+It is lua inferior process from `run-lua'."
+  :group 'ob-lua
+  :type 'string)
+
+;;;###autoload
+(defun org-babel-execute:lua (body params)
+  "org-babel lua hook."
+  (let* ((session (or (cdr (assoc :session params))
+                      ob-lua:default-session))
+         (cmd (mapconcat 'identity (list "lua -") " ")))
+    (org-babel-eval cmd body)))
+
+;;;###autoload
+(eval-after-load "org"
+  '(add-to-list 'org-src-lang-modes '("lua" . lua)))
+
+(provide 'ob-lua)
+
+;;; ob-lua.el ends here

+ 48 - 0
contrib/lisp/ob-php.el

@@ -0,0 +1,48 @@
+;;; ob-php.el --- Execute PHP within org-mode blocks.
+;; Copyright 2016 stardiviner
+
+;; Author: stardiviner <numbchild@gmail.com>
+;; Maintainer: stardiviner <numbchild@gmail.com>
+;; Keywords: org babel php
+;; URL: https://github.com/stardiviner/ob-php
+;; Created: 04th May 2016
+;; Version: 0.0.1
+;; Package-Requires: ((org "8"))
+
+;;; Commentary:
+;;
+;; Execute PHP within org-mode blocks.
+
+;;; Code:
+(require 'org)
+(require 'ob)
+
+(defgroup ob-php nil
+  "org-mode blocks for PHP."
+  :group 'org)
+
+(defcustom ob-php:inf-php-buffer "*php*"
+  "Default PHP inferior buffer."
+  :group 'ob-php
+  :type 'string)
+
+;;;###autoload
+(defun org-babel-execute:php (body params)
+  "Orgmode Babel PHP evaluate function for `BODY' with `PARAMS'."
+  (let* ((cmd "php")
+         (body (concat "<?php\n" body "\n?>")))
+    (org-babel-eval cmd body)
+    ))
+
+;;;###autoload
+(eval-after-load "org"
+  '(add-to-list 'org-src-lang-modes '("php" . php)))
+
+(defvar org-babel-default-header-args:php '())
+
+(add-to-list 'org-babel-default-header-args:php
+             '(:results . "output"))
+
+(provide 'ob-php)
+
+;;; ob-php.el ends here

+ 44 - 0
contrib/lisp/ob-redis.el

@@ -0,0 +1,44 @@
+;;; ob-redis.el --- Execute Redis queries within org-mode blocks.
+;; Copyright 2016 stardiviner
+
+;; Author: stardiviner <numbchild@gmail.com>
+;; Maintainer: stardiviner <numbchild@gmail.com>
+;; Keywords: org babel redis
+;; URL: https://github.com/stardiviner/ob-redis
+;; Created: 28th Feb 2016
+;; Version: 0.0.1
+;; Package-Requires: ((org "8"))
+
+;;; Commentary:
+;;
+;; Execute Redis queries within org-mode blocks.
+
+;;; Code:
+(require 'org)
+(require 'ob)
+
+(defgroup ob-redis nil
+  "org-mode blocks for Redis."
+  :group 'org)
+
+(defcustom ob-redis:default-db "127.0.0.1:6379"
+  "Default Redis database."
+  :group 'ob-redis
+  :type 'string)
+
+;;;###autoload
+(defun org-babel-execute:redis (body params)
+  "org-babel redis hook."
+  (let* ((db (or (cdr (assoc :db params))
+                 ob-redis:default-db))
+         (cmd (mapconcat 'identity (list "redis-cli") " ")))
+    (org-babel-eval cmd body)
+    ))
+
+;;;###autoload
+(eval-after-load "org"
+  '(add-to-list 'org-src-lang-modes '("redis" . redis)))
+
+(provide 'ob-redis)
+
+;;; ob-redis.el ends here

+ 54 - 0
contrib/lisp/ob-smiles.el

@@ -0,0 +1,54 @@
+;;; ob-smiles.el --- Org-mode Babel support for SMILES.
+;;; -*- coding: utf-8 -*-
+
+;; Keywords: org babel SMILES
+;; Version: 0.0.1
+;; Package-Requires: ((smiles-mode "0.0.1") (org "8"))
+
+;;; Commentary:
+
+;;; I copy code from:
+;;; http://kitchingroup.cheme.cmu.edu/blog/2016/03/26/A-molecule-link-for-org-mode
+
+;; Author: John Kitchin [jkitchin@andrew.cmu.edu]
+;; Maintainer: stardiviner [numbchild@gmail.com]
+
+;;; Code:
+
+;; Org-mode Babel
+(defun org-babel-execute:smiles (body params)
+  "Execute SMILES babel `BODY' with `PARAMS'."
+  (shell-command-to-string
+   (format "obabel -:\"%s\" -osvg 2> /dev/null" body)))
+
+;; Org-mode link
+(defun molecule-jump (name)
+  "Jump to molecule `NAME' definition."
+  (org-mark-ring-push)
+  (org-open-link-from-string (format "[[%s]]" path)))
+
+(defun molecule-export (path desc backend)
+  "Export molecule to HTML format on `PATH' with `DESC' and `BACKEND'."
+  (let ((name (save-window-excursion
+                (molecule-jump path)
+                (org-element-property :name (org-element-context)))))
+    (cond
+     ((eq 'html backend)
+      (format "<a href=\"#%s\">%s</a>" name name)))))
+
+(org-add-link-type
+ "molecule"
+ 'molecule-jump
+ 'molecule-export)
+
+;; org-mode element
+(org-element-map (org-element-parse-buffer)
+    'src-block
+  (lambda (src)
+    (when (string= "smiles" (org-element-property :language src))
+      (org-element-property :name src))))
+
+
+(provide 'ob-smiles)
+
+;;; ob-smiles.el ends here

+ 182 - 0
contrib/lisp/ob-spice.el

@@ -0,0 +1,182 @@
+;;; ob-spice.el --- org-babel functions for spice evaluation
+;;; -*- coding: utf-8 -*-
+
+;; Author: Tiago Oliveira Weber
+;; Maintainer: stardiviner (numbchild@gmail.com)
+;; Version: 0.4
+;; Package-Requires: ((spice-mode "0.0.1") (org "8"))
+;; Homepage: http://tiagoweber.github.io
+
+;; License: GPL v3, or any later version
+;;
+;; This file 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, or (at your option)
+;; any later version.
+;;
+;; This file 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Org-Babel support for evaluating spice script.
+;; Inspired by Ian Yang's org-export-blocks-format-plantuml (http://www.emacswiki.org/emacs/org-export-blocks-format-plantuml.el)
+
+;;; Requirements:
+;;
+;; - ngspice
+
+;;; Code:
+(require 'ob)
+
+(add-to-list 'org-babel-tangle-lang-exts '("spice" . "cir"))
+
+(defun ob-spice-concat (wordlist)
+  "Concatenate elements of a `WORDLIST' into a string separated by spaces."
+  ;; example of usage
+  ;; (ob-spice-concat '("This" "is" "a" "long" "journey"))
+  (setq newtext (car wordlist)) ; first word is without space before
+  (setq wordlist (rest wordlist)) ; exclude the first word from the list
+  (dolist (word wordlist newtext) ; loop through the list and concatenate the values
+    (setq newtext (concat newtext " " word))))
+
+(defun org-babel-expand-body:spice (body params)
+  "Expand BODY according to PARAMS, return the expanded body."
+  (let* ((vars (mapcar #'cdr (org-babel-get-header params :var))))
+    (setq newbody "");
+    (setq bodylinelist (split-string body "\n"))
+    (dolist (line bodylinelist newbody)
+      (progn  ;loop through list of lines
+        (setq wordlist (split-string line " "))
+        (setq firstword 1)
+        (dolist (word wordlist)
+          (progn  ;loop through the words
+            (if (string-match "\\$\\(.*\\)\\[\\(.*\\)\\]" word)
+                (progn 
+                  ;; if matchs a vector variable format
+                  (setq varname (match-string 1 word))
+                  (setq varindex (match-string 2 word))
+                  ;; search varname in vars and use the value of varindex to word
+                  (setq newword
+                        (nth (string-to-number varindex)
+                             (car (assoc-default varname vars
+                                                 (lambda (key candidate)
+                                                   (string= key candidate))))))
+                  (if (not (eq newword nil))
+                      (if (not (stringp newword))
+                          (setq word (number-to-string newword))
+                        (setq word newword)))
+                  )
+              ) ; end of (if (string-match "\\$\\(.*\\)\\[\\(.*\\)\\]" word))
+            (if (string-match "\\$\\(.*\\)\\." word) ; if variable has a dot in the end
+                (progn
+                  ;; if matchs a non-vector variable format
+                  (setq varname (match-string 1 word))
+                  (setq newword
+                        (assoc-default varname vars
+                                       (lambda (key candidate)
+                                         (string= key candidate))))
+                  (if (not (eq newword nil))
+                      (progn 
+                        (if (not (stringp newword))
+                            (setq newword (number-to-string newword)))
+                        (setq word (replace-match (concat newword ".")  nil nil word))
+                                        ;(setq word word)
+                        )
+                    ))
+              );; end of (if (string-match "\\$\\(.*\\)\\." word)
+            (if (string-match "\\$\\(.*\\)" word)
+                (progn
+                  ;; if matchs a non-vector variable format
+                  (setq varname (match-string 1 word))
+                  (setq newword
+                        (assoc-default varname vars
+                                       (lambda (key candidate)
+                                         (string= key candidate))))
+                  (if (not (eq newword nil))
+                      (if (not (stringp newword))
+                          (setq word (number-to-string newword))
+                        (setq word newword)
+                        ))
+                  )
+              ) ; end of (if (string-match "\\$\\(.*\\)" word)
+
+            
+            (setq newbody (concat newbody
+                                  (if (not (eq firstword 1)) " ")
+                                  word))
+            (setq firstword 0)
+            ) ; end of (progn
+          ) ; end of (dolist (word wordlist))
+        
+        (setq newbody (concat newbody "\n"))
+        ) ; end of (progn ;; loop through list of lines ... )
+      ) ; end of (dolist (line bodylinelist)  ...function ...)
+    ))
+
+;;;###autoload
+(defun org-babel-execute:spice (body params)
+  "Execute a block of Spice code `BODY' with org-babel and `PARAMS'."
+  (let ((body (org-babel-expand-body:spice body params))
+        (vars (mapcar #'cdr (org-babel-get-header params :var))))
+
+    ;;******************************
+    ;; clean temporary files
+    (mapc (lambda (pair)
+            (when (string= (car pair) "file")
+              (setq textfile (concat (cdr pair) ".txt"))
+              (setq imagefile (concat (cdr pair) ".png"))	      
+              )
+            )
+          vars)
+    ;;    (if (file-readable-p textfile)    (delete-file textfile))
+    ;;    (if (file-readable-p imagefile)    (delete-file imagefile))
+    ;;*******************************
+
+    (org-babel-eval "ngspice -b " body)
+
+    ;; loop through all pairs (elements) of the list vars and set text and image file if finds "file" var
+    (mapc (lambda (pair)
+            (when (string= (car pair) "file")
+              (setq textfile (concat (cdr pair) ".txt"))
+              (setq imagefile (concat (cdr pair) ".png"))))
+          vars)
+    ;; produce results        
+    ;; THE FOLLOWING WAS COMMENTED TEMPORARILY
+    ;; (concat
+    ;;  (if (file-readable-p textfile)
+    ;; 	 (get-string-from-file textfile))
+    ;;  (if (file-readable-p imagefile)
+    ;; 	 (concat '"#+ATTR_HTML: :width 600px \n [[file:./" imagefile "]]")
+    ;;    )
+    ;;  )
+
+    ;; ;; Get measurement values from text-file by splitting comma separated values   
+    (if (file-readable-p textfile)
+        (progn	  
+          (setq rawtext (get-string-from-file textfile))
+          ;;(setq rawtext (replace-regexp-in-string "\n" "" rawtext))
+          (setq rawtext (replace-regexp-in-string "\n" "" rawtext))
+          (setq result (split-string rawtext ","))))    
+    (if (file-readable-p imagefile)
+        (progn
+          ;; test if result exist already
+          ;;(if (boundp 'result)
+          (add-to-list 'result (concat '"[[file:./" imagefile "]]") t)    ;; add imagefile to last entry
+          ;;(concat '"[[file:./" imagefile "]]")
+          ;;)  
+          ))
+    result
+    ;; Produce output like     '(test test2)
+    ;;'(test test2)
+    
+    )
+  )
+
+(provide 'ob-spice)
+;;; ob-spice.el ends here