setup-php/node_modules/optimist/example/line_count_options.js
Shivam Mathur 8f9786b73f init
2019-09-06 05:17:43 +05:30

30 lines
635 B
JavaScript

#!/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));
});