erubboli

function parse_git_branch { 
    ref=$(git symbolic-ref HEAD 2> /dev/null) || return;
    echo "["${ref#refs/heads/}"]"
}
PS1='\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[01;31m\]$(parse_git_branch)\[\033[00m\]\$ '

erubboli

//Convert the 128x128 image with:
// convert image.jpg image.rgb

res=128
img_file = File.open(ARGV[0],'r')

puts "static char image[#{res*res}] = { "
img_file.bytes.each_slice(res) do |l|
  puts "  #{l.join(',')}"
end