path=`pwd`
htmldir='/home/httpd/html'
currversion=0.0.0
ckeditordir="$htmldir/ckeditor"
if [ -e $ckeditordir ]
then
  if [ -e "$ckeditordir/VERSION" ]
  then
      currversion=`cat $ckeditordir/VERSION`
  fi
fi
newversion=`cat VERSION`
arrnewversion=(${newversion//./ })
arrnewlength=${#arrnewversion[@]}
arrnewcomp=`echo "$arrnewlength < 3" | bc`
if [ $arrnewcomp -gt 0 ]
then
    arrnewversion[2]=0;
fi
arrcurrversion=(${currversion//./ })
arrcurrlength=${#arrcurrversion[@]}
arrcurrcomp=`echo "$arrcurrlength < 3" | bc`
if [ $arrcurrcomp -gt 0 ]
then
    arrcurrversion[2]=0;
fi
comparison=`echo "${arrnewversion[0]} > ${arrcurrversion[0]}" | bc`
if [ $comparison -eq 0 ]
then
  comparison=`echo "${arrnewversion[0]} < ${arrcurrversion[0]}" | bc`
  if [ $comparison -eq 0 ]
  then
    comparison=`echo "${arrnewversion[1]} > ${arrcurrversion[1]}" | bc`
    if [ $comparison -eq 0 ]
    then
      comparison=`echo "${arrnewversion[1]} < ${arrcurrversion[1]}" | bc`
      if [ $comparison -eq 0 ]
      then
        comparison=`echo "${arrnewversion[2]} > ${arrcurrversion[2]}" | bc`
      fi
    fi
  fi
fi
if [ $comparison -gt 0 ]
then
  if [ -e $ckeditordir ]
  then
    rm -rf $ckeditordir
  fi
  cd $htmldir
  echo $path/ckeditor_4.22.1.tar.gz
  tar -zxf $path/ckeditor_4.22.1.tar.gz
  echo $path/a11ychecker_1.1.1.tar.gz
  tar -zxf $path/a11ychecker_1.1.1.tar.gz
  mv a11ychecker ckeditor/plugins/
  echo $path/balloonpanel_4.22.1.tar.gz
  tar -zxf $path/balloonpanel_4.22.1.tar.gz
  mv balloonpanel ckeditor/plugins/  
  cp -r $path/plugins/lcm ckeditor/plugins/
  cp -r $path/plugins/chem ckeditor/plugins/
  cp $path/VERSION ckeditor/VERSION
  cp $path/loncapaconfig.js ckeditor/loncapaconfig.js
  chown -R www:www ckeditor
fi
if [ -e "$htmldir/fckeditor" ]
then
    rm -rf $htmldir/fckeditor
fi
if [ -e "$htmldir/htmlarea" ]
then
    rm -rf $htmldir/htmlarea
fi
if  [ -e "$htmldir/adm/ckeditor" ]
then
    rm -rf $htmldir/adm/ckeditor
fi
