A install.sh

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+##### THIS SCRIPT COPIES OVER ALL THE DOTFILES INTO THE HOME DIR #####
+
+
+########## Variables
+
+dir=~/dotfiles                    # dotfiles directory
+olddir=~/dotfiles_old             # old dotfiles backup directory
+files=".bashrc .vimrc .vim"        # list of files/folders to symlink in homedir
+
+##########
+
+# create dotfiles_old in homedir
+echo "Creating $olddir for backup of any existing dotfiles in ~"
+mkdir -p $olddir
+echo "...done"
+
+# change to the dotfiles directory
+echo "Changing to the $dir directory"
+cd $dir
+echo "...done"
+
+# move any existing dotfiles in homedir to dotfiles_old directory, then create symlinks 
+for file in $files; do
+    echo "Moving any existing dotfiles from ~ to $olddir"
+    mv ~/$file ~/dotfiles_old/
+    echo "Creating symlink to $file in home directory."
+    ln -s $dir/$file ~/$file
+done
+
+source ~/.bashrc
+source ~/.vimrc