pdfPageCount.js

pdfPageCount.js

var fs = require("fs");
var ext = "pdf";
var fileName = './out.pdf'.toLowerCase();
var fileNameNoEXT = fileName.replace("."+ext,"");

fs.readFile(fileName,"utf8", function (err, data) {
  if (err) throw err;
  data = data.split("endobj")
  for(var i in data){
  		if(data[i].indexOf("/Count") >= 0){
  			var strinngyLines = data[i].split("\n")
  			for(var j in strinngyLines){
  				if(strinngyLines[j].indexOf("/Count") >= 0){
  					var newFileName = fileNameNoEXT+" ("+strinngyLines[j].slice(7)+"-Pages)."+ext;
  					fs.rename(fileName, newFileName, function (err) {
  						if (err) throw err;
  						console.log("compleate")
					});
  				}
  			}
  		}
  }
});