#!/usr/bin/env node | |
var argv = require('optimist') | |
.usage('Count the lines in a file.\nUsage: $0') | |
.options({ | |
file : { | |
demand : true, | |
alias : 'f', | |
description : 'Load a file' | |
}, | |
base : { | |
alias : 'b', | |
description : 'Numeric base to use for output', | |
default : 10, | |
}, | |
}) | |
.argv | |
; | |
var fs = require('fs'); | |
var s = fs.createReadStream(argv.file); | |
var lines = 0; | |
s.on('data', function (buf) { | |
lines += buf.toString().match(/\n/g).length; | |
}); | |
s.on('end', function () { | |
console.log(lines.toString(argv.base)); | |
}); |