javascript - Phantomjs merge PDF's -

i using phantomjs generate pdf's url's. works fine, every url get's transferred seperate pdf. want bunch of url's transferred 1 pdf several page. ideas how done (preferable in javacsript)?

thnx,

henk

code used now:

phantomjs pdf_export_urls.js

pdf_export_urls.js:

"use strict"; var renderurlstofile, arrayofurls, system;  var file_format = 'pdf'; var base_url = 'http://'; system = require("system");   /* render given urls @param array of urls render @param callbackperurl function called after finishing each url, including last url @param callbackfinal function called after finishing */ renderurlstofile = function(urls, callbackperurl, callbackfinal) {     var getfilename, next, page, retrieve, urlindex, webpage;     urlindex = 0;     webpage = require("webpage");     page = null;      getfilename = function(url) {         var filename = "";         filename = url             // remove http/https prefix             .replace(/https?:\/\//gi, '')             // convert slashes , dots underscores.             .replace(/[\/:.]+/gi, '_');         return filename.substr(filename.length - 4)  + "." + file_format;     };      next = function(status, url, file) {         page.close();         callbackperurl(status, url, file);         return retrieve();     };      retrieve = function() {         var url;         if (urls.length > 0) {             url = urls.shift();             urlindex++;              page = webpage.create();             page.viewportsize = {                 width: 1280,                 // height of 1 autosizes content height.                 height: 1             };                var full_url = base_url + url;             page.settings.useragent = "phantom.js bot";              return page.open(full_url, function(status) {                 var file;                 file = getfilename(url);                 // file=file.slice(4,15) + '.pdf';                 if (status === "success") {                     // // clip rendered output height of content.                     // var height = page.evaluate(function() { return document.body.offsetheight }),                     //   width = page.evaluate(function() { return document.body.offsetwidth });                     // console.log("page height: " + height);                     // console.log("page width: " + width);                     // page.cliprect = {top: 0, left: 0, width: width, height: height};                     return window.settimeout((function() {                         page.render('output/' + file);                         return next(status, url, file);                     }), 200);                 } else {                     return next(status, url, file);                 }             });         } else {             return callbackfinal();         }     };      return retrieve(); };  arrayofurls = null;  var fs = require('fs'); var url_list = fs.read('url_list.txt'); //console.log('read data:', url_list); arrayofurls = url_list.split(/[\r\n]+/);  // if (system.args.length > 1) { //     arrayofurls = array.prototype.slice.call(system.args, 1); // } else { //     console.log("usage: phantomjs render_multi_url.js [domain.name1, domain.name2, ...]"); //     arrayofurls = ["www.google.com", "www.bbc.co.uk", "phantomjs.org"]; // }  renderurlstofile(arrayofurls, (function(status, url, file) {     var full_url = base_url + url;     if (status !== "success") {         return console.log("unable render '" + full_url + "'");     } else {         return console.log("rendered '" + full_url + "' @ '" + file + "'");     } }), function() {     return phantom.exit(); });