User-agent from the command line

package.json

{
    "name": "parse-user-agent",
    "version": "0.0.1",
    "private": true,
    dependencies: {
        "platform": "~1.1.0",
        "split": "~0.3.0"
    }
}

parse.js

#! /usr/bin/env node
var platform = require('platform');

process.stdin.pipe(require('split')()).on('data', function(line) {
  var browserInfo = platform.parse(line);
  if (browserInfo.version) {
    console.log(browserInfo.name, "-", browserInfo.version.split(".")[0]);
  }
});

script.sh

awk -F\" '{print $6}' your_combined_log | 
./parse.js |
# Sort and print the user agents in descending order
sort | 
uniq -c | 
sort -g -k 1 -r |
less