jblakeman

# Output HTML boilerplate code to a file name specified by the first argument
# If no arguments are provided, outputs to index.html
# example:
#    html_boilerplate example.html

html_boilerplate() {
    [[ $1 ]] || {
        echo "usage: $FUNCNAME outfile"
        return 1;

jblakeman

def vignere(message, keyword)
    min_byte = 97
    max_index = 26
    cipher = ""
    message.downcase.split("").each_with_index do |char, i|
        cipher_i = (char.ord - min_byte) + (keyword[i].ord - min_byte)
        cipher_i -= max_index if cipher_i > max_index
        cipher += (cipher_i + min_byte).chr
    end