This is CodeRay 1.1.3, a syntax highlighting tool for selected languages.

usage:
  coderay [-language] [input] [-format] [output]

defaults:
  language   detect from input file name or shebang; fall back to plain text
  input      STDIN
  format     detect from output file name or use terminal; fall back to HTML
  output     STDOUT

common:
  coderay file.rb                      # highlight file to terminal
  coderay file.rb -page > file.html    # highlight file to HTML page
  coderay file.rb -div > file.html     # highlight file to HTML snippet

configure output:
  coderay file.py output.json          # output tokens as JSON
  coderay file.py -loc                 # count lines of code in Python file

configure input:
  coderay -python file                 # specify the input language
  coderay -ruby                        # take input from STDIN

more:
  coderay stylesheet [style]           # print CSS stylesheet