wp core replacer

# This script will re-install the latest wordpress core files
# A database dump will be made to database-bk.sql
# Run this script while in public_html folder

# !/bin/bash

if [ -d backup ] ; then
  echo "You already have a backup folder! Please rename it before attempting to run this tool."
  exit
else
  mkdir backup
fi

if [ -e latest.tar.gz ]; then
  echo "It seems the latest.tar.gz file already exists. Please remove or rename it before attempting to run this tool."
  exit
else
  wget http://wordpress.org/latest.tar.gz
  if [ -d wordpress ]; then
    echo "It seems there is a wordpress folder already created. Please remove or rename it before attempting to run this tool."
  else
    tar -xvf latest.tar.gz
    cd wordpress

    # remove wp-content so the users data is not overwritten or lost at any point.
    rm -rf wp-content

    # loop through each file in latest tarball to see if it already exists
    for f in $(ls); do
      old="../"
      old=$old$f

      # if the file from the archive exists already, then move it to the backup folder
      if [ -e $old ] ; then  mv $old ../backup ; fi

      # move new file from latest tar up one folder to the site folder
      mv $f ../
    done
    echo "Your WordPress core files have been re-installed.  The old core files are in the backup folder."

  fi
  # clean up the leftover files .  original core files will be in the backup folder in the documentroot
  cd ../ ; rm -rf wordpress ; rm -rf latest.tar.gz

  if [ -e wp-config.php ] ; then

    user=`grep DB_USER wp-config.php|cut -d\' -f4`;db=`grep DB_NAME wp-config.php|cut -d\' -f4`;pass=`grep DB_PASSWORD wp-config.php|cut -d\' -f4`;
    mysqldump -u $user -p $db --password=$pass > backup/database-bk.sql
    echo "Your database has been saved to backup/database-bk.sql"
  fi

fi