console.log 'hello'print 'world!'
Created
March 19, 2013 19:12
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Demo selective extraction of code blocks via Marked.js.
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| $ 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! |
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| #!/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 |
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