#! /bin/sh
#
#     notangleall
#
#  -creates all required directories for the code chunks
#  -tangles all root chunks (as noweb -t)
#  -makes all scripts mared executable. The marking is done
#   as follows:
#   %unx chmod +x chunk_name
#   <<chunk_name>>=
#      ...
#   @
#  
#   Can also be used for other UNIX commands that should be
#   executed after the tangling.


echo 'making required subdirs'
noroots $1 | \
  sed '/<<[^/]*>>/d ; s/<<\(.*\)\/[^\/]*>>/\1/' | \
  sort | uniq | sed 's/\(.*\)/mkdir -p \1 ;/' | sh

echo 'extracting code chunks'
noweb -t $1
 
echo 'making scripts executable'
egrep '^%unix' $1 | sed 's/%unix //; s/.*/& ;/' | sh