wulftone/demo.coffee.md

## demo.coffee.md

      
    Raw
  

              demo.coffee.md
            
          
    Demo

console.log 'hello'
print 'world!'

  
## demo.txt
$ cat demo.coffee.md
Demo
====

    console.log 'hello'

```python
print 'world!'
```

$ marko.coffee -h

 marko [options] FILES

 options:

   -h, --help        show help
   -r, --run         run code blocks
   -x, --extract     extract code blocks
  [-l, --lang LANG   extract fenced code blocks of specified sort]

$ marko.coffee -x demo.coffee.md
console.log 'hello'

$ marko.coffee -x --lang=python demo.coffee.md
print 'world!'

$ marko.coffee -x --lang=python demo.coffee.md | python -
world!

## marko.coffee
#!/usr/bin/env coffee

help = '''

  marko [options] FILES

  options:

    -h, --help        show help
    -r, --run         run code blocks
    -x, --extract     extract code blocks
   [-l, --lang LANG   extract fenced code blocks of specified sort]

'''
fs = require 'fs'
coffee = require 'coffee-script'
marked = require 'marked'
argv = require('optimist')
  .boolean(['h', 'r', 'x'])
  .alias('h', 'help')
  .alias('r', 'run')
  .alias('x', 'extract')
  .alias('l', 'lang')
  .argv

print = console.log
print help if argv.help

head = '''
       <!DOCTYPE html>
       <meta charset="utf-8">
       <link rel="stylesheet" href="style.css">
       <body>

       '''

codeFrom = (source, lang) ->
  (t.text for t in marked.lexer(source) \
    when t.type is 'code' and t.lang is lang).join "\n"

for file in argv._ when file.match /\.(litcoffee|md)/i
  source = fs.readFileSync file, 'utf8'
  if argv.run and /coffee/.test file
      coffee.eval codeFrom source
  else if argv.extract
      print codeFrom(source, argv.lang)
  else
    print head, marked source
	$ cat demo.coffee.md
	Demo
	====

	console.log 'hello'

	```python
	print 'world!'
	```

	$ marko.coffee -h

	marko [options] FILES

	options:

	-h, --help show help
	-r, --run run code blocks
	-x, --extract extract code blocks
	[-l, --lang LANG extract fenced code blocks of specified sort]

	$ marko.coffee -x demo.coffee.md
	console.log 'hello'

	$ marko.coffee -x --lang=python demo.coffee.md
	print 'world!'

	$ marko.coffee -x --lang=python demo.coffee.md \| python -
	world!
	#!/usr/bin/env coffee

	help = '''

	marko [options] FILES

	options:

	-h, --help show help
	-r, --run run code blocks
	-x, --extract extract code blocks
	[-l, --lang LANG extract fenced code blocks of specified sort]

	'''
	fs = require 'fs'
	coffee = require 'coffee-script'
	marked = require 'marked'
	argv = require('optimist')
	.boolean(['h', 'r', 'x'])
	.alias('h', 'help')
	.alias('r', 'run')
	.alias('x', 'extract')
	.alias('l', 'lang')
	.argv

	print = console.log
	print help if argv.help

	head = '''
	<!DOCTYPE html>
	<meta charset="utf-8">
	<link rel="stylesheet" href="style.css">
	<body>

	'''

	codeFrom = (source, lang) ->
	(t.text for t in marked.lexer(source) \
	when t.type is 'code' and t.lang is lang).join "\n"

	for file in argv._ when file.match /\.(litcoffee\|md)/i
	source = fs.readFileSync file, 'utf8'
	if argv.run and /coffee/.test file
	coffee.eval codeFrom source
	else if argv.extract
	print codeFrom(source, argv.lang)
	else
	print head, marked source