# ZSH THEME Preview: https://skitch.com/huyy/rk979/humza.zshtheme
  
  let TotalBytes=0
  for Bytes in $(ls -l | grep "^-" | awk '{ print $5 }')
  do
     let TotalBytes=$TotalBytes+$Bytes
  done
  		# should it say b, kb, Mb, or Gb
  if [ $TotalBytes -lt 1024 ]; then
     TotalSize=$(echo -e "scale=3 
  $TotalBytes 
  quit" | bc)
     suffix="b"
  elif [ $TotalBytes -lt 1048576 ]; then
     TotalSize=$(echo -e "scale=3 
  $TotalBytes/1024 
  quit" | bc)
     suffix="kb"
  elif [ $TotalBytes -lt 1073741824 ]; then
     TotalSize=$(echo -e "scale=3 
  $TotalBytes/1048576 
  quit" | bc)
     suffix="Mb"
  else
     TotalSize=$(echo -e "scale=3 
  $TotalBytes/1073741824 
  quit" | bc)
     suffix="Gb"
  fi
  
  PROMPT='%{$reset_color%}%n %{$fg[green]%}{%{$reset_color%}%~%{$fg[green]%}}%{$reset_color%}$(git_prompt_info) greetings, earthling %{$fg[green]%}[%{$reset_color%}%{$TotalSize%}%{$suffix%}%{$fg[green]%}]%{$fg[red]%}$%{$reset_color%} ☞ '
  
  ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg[red]%}±("
  ZSH_THEME_GIT_PROMPT_SUFFIX=");%{$reset_color%}"