Wordpress: Bash Install Script -- Downloads latest WP version, updates wp-config with user supplied DB name, username and password, creates and CHMOD's uploads dir, copies all the files into the root dir you run the script from, then deletes itself!

wp.sh

#!/bin/bash -e
clear
echo "============================================"
echo "WordPress Install Script"
echo "============================================"
dbname=$1
dbuser=$2
dbpass=$3
installationPath=$4
echo "============================================"
echo "A robot is now installing WordPress for you."
echo "============================================"
#download latest wordpress
curl -O https://wordpress.org/latest.tar.gz
#unzip wordpress
tar -zxvf latest.tar.gz
#change dir to wordpress
cd wordpress
#copy files to installation path
cp -rf . $installationPath
#back to root
cd ..
#remove files from wordpress folder
rm -R wordpress
#remove zip file
rm latest.tar.gz
#move to installation path
cd $installationPath
#create wp config
cp wp-config-sample.php wp-config.php
#set database details with perl find and replace
perl -pi -e "s/database_name_here/$dbname/g" wp-config.php
perl -pi -e "s/username_here/$dbuser/g" wp-config.php
perl -pi -e "s/password_here/$dbpass/g" wp-config.php

#set WP salts
perl -i -pe'
  BEGIN {
    @chars = ("a" .. "z", "A" .. "Z", 0 .. 9);
    push @chars, split //, "!@#$%^&*()-_ []{}<>~\`+=,.;:/?|";
    sub salt { join "", map $chars[ rand @chars ], 1 .. 64 }
  }
  s/put your unique phrase here/salt()/ge
' wp-config.php

#create uploads folder and set permissions
mkdir wp-content/uploads
chmod 775 wp-content/uploads
echo "========================="
echo "Installation is complete."
echo "========================="