tangle

#!/bin/bash

# Copyright 2018 Pieter Hijma

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


# This script tangles (extracts source files), from .org files using Emacs.
# The input is a list of .org files, the output is which files are tangled (to
# stdout).

FILES=$*

FILES_QUOTED=""
DIR=`pwd`

for i in $FILES
do
    FILES_QUOTED="$FILES_QUOTED \"$i\""
done
emacs --batch \
      --eval "(progn
        (require 'org)
        (require 'ob)
        (require 'ob-tangle)
        (mapc (lambda (file)
                (find-file (expand-file-name file \"$DIR\"))
                (org-babel-tangle)
                (kill-buffer)) '($FILES_QUOTED)))" 2>&1 | grep Tangled