generate individual patch

genpatch.sh

#set -e
#usage old_directory new_directory

modfiles=$(find ${2} -type f -exec grep -Iq . {} \; -print)
#origfiles=${modfiles//$2/$1}

rm patchfiles -rf
mkdir patchfiles
echo $modfiles

for file in $modfiles; do
  pfile=patchfiles/$(echo $file | sed -e's@'${2}'/@@' -e 's@/@.@g').patch;
  echo $pfile ;
  (
  echo "diff -uNr ${file//$2/$1} $file"
  diff -uNr ${file//$2/$1} $file
  ) | tee $pfile
done