#!/bin/bash

rm -f difftranslations.vim

for i in *.po
do
  # Convert the file into UTF-8 (if necessary)
  ISUTF8=`file $i | grep UTF-8`
  if [ "x$ISUTF8" = "x" ]  
  then
    FILEENC=`grep "Content-Type: text/plain; charset=" $i | sed -e 's/.*=\\(.*\\)\\\\n.*/\\1/'`
    recode $FILEENC..UTF-8 $i
  fi

  echo '"' `basename $i .po` >> difftranslations.vim
  grep -C 1 'Only in ' $i | tail -n 1 >> difftranslations.vim
  grep -C 1 'Files %s and %s are identical' $i | tail -n 1 >> difftranslations.vim
  grep -C 1 'Files %s and %s differ' $i | tail -n 1 >> difftranslations.vim
  grep -C 1 'Binary files %s and %s differ' $i | tail -n 1 >> difftranslations.vim
  grep -C 1 'File %s is a %s while file %s is a %s' $i | tail -n 1 >> difftranslations.vim
  grep -C 1 'No newline at end of file' $i | tail -n 1 >> difftranslations.vim
  grep -C 1 'Common subdirectories:' $i | tail -n 1 >> difftranslations.vim
  echo >> difftranslations.vim
done

sed -i -e 's/%s/.*/g
s/^msgstr "/syn match diff "^/
s/\\n"/$"/' difftranslations.vim

vim -c '%s/syn match diff \(.*\)\nsyn match diff \(.*\)\nsyn match diff \(.*\)\nsyn match diff \(.*\)\nsyn match diff \(.*\)\nsyn match diff \(.*\)\nsyn match diff \(.*\)\n/syn match diffOnly \1\rsyn match diffIdentical \2\rsyn match diffDiffer \3\rsyn match diffBDiffer \4\rsyn match diffIsA \5\rsyn match diffNoEOL \6\rsyn match diffCommon \7\r/ | wq' difftranslations.vim

exit 0

# vim: tw=500