Chocolat mixin: Replace selection with current date (example code that captures the output of a spawned process)

init.js

/*!
 * Replace selection with current date
 * Copyright(c) 2012 Torsten Grust <torsten.grust@gmail.com>
 */

var spawn = require('child_process').spawn;

/**
 * Hook up menu items.
 */

Hooks.addMenuItem('Text/Insert/Current Date', 'control-shift-d', function() {
    var date = spawn('/bin/date', []),
        out = '';
        
    /* 'data' callback sends strings (not buffers) */    
    date.stdout.setEncoding('utf8');

    date.stdout.on('data', function(data) {
        out += data;
    });

    date.on('exit', function(code) { 
        Recipe.run(function(recipe) {
            var sel = recipe.selection;
            recipe.replaceTextInRange(sel, out.trimRight()); 
        });
    });
})