Add CLI script

bin/pixie-cli.js

@@ -0,0 +1,27 @@
+#!/usr/bin/env node
+
+var pixie = require('../dist/pixie.js')
+var minimist = require('minimist')
+
+if (process.stdin.isTTY) {
+  console.error('Pixie cannot be used without stdio.')
+  process.exit(1)
+}
+
+var chunks = []
+process.stdin.on('data', function (buf) {
+  chunks.push(buf)
+})
+
+process.stdin.on('end', function () {
+  var source = Buffer.concat(chunks)
+  main(source)
+})
+
+function main (source) {
+  var data = minimist(process.argv.slice(2))
+  var tags = process.env.PIXIE_TAGS
+  tags = tags ? tags.split(',') : ['{{', '}}']
+  var output = pixie.render(source.toString(), data, tags[0], tags[1])
+  return process.stdout.write(output)
+}

package.json

@@ -29,6 +29,7 @@
     "uglify-js": "^3.3.18"
   },
   "dependencies": {
-    "@jamen/bench": "^0.2.0"
+    "@jamen/bench": "^0.2.0",
+    "minimist": "^1.2.0"
   }
 }

readme.md

@@ -60,6 +60,14 @@ An array containing two other arrays recognized as `[fragments, expressions]`.
 - **Expressions**: Data between opening and closing tags. In `Foo {{bar}} baz {{qux}}` it would be `['bar', 'qux']`.
 - **Fragments**: Data around your expressions. In the same example, the fragments would be `['Foo ', ' baz', '']`.
 
+### Command-line Interface
+
+The package also includes a CLI.  It just parses stdin and compiles stdout.
+
+```sh
+pixie --name "John Doe" < template.src.md > template.md
+```
+
 ## License
 
 MIT &copy; [Jamen Marz](http://jamenmarz.com/)