1#!/usr/bin/env node
 2var argv = require('optimist')
 3    .usage('Count the lines in a file.\nUsage: $0')
 4    .options({
 5        file : {
 6            demand : true,
 7            alias : 'f',
 8            description : 'Load a file'
 9        },
10        base : {
11            alias : 'b',
12            description : 'Numeric base to use for output',
13            default : 10,
14        },
15    })
16    .argv
17;
18
19var fs = require('fs');
20var s = fs.createReadStream(argv.file);
21
22var lines = 0;
23s.on('data', function (buf) {
24    lines += buf.toString().match(/\n/g).length;
25});
26
27s.on('end', function () {
28    console.log(lines.toString(argv.base));
29});