mirror of
https://github.com/thangisme/notes.git
synced 2024-11-10 13:06:09 -05:00
30 lines
756 B
JavaScript
30 lines
756 B
JavaScript
#!/usr/bin/env node
|
|
var argv = require('yargs')
|
|
.usage('Count the lines in a file.\nUsage: $0')
|
|
.wrap(80)
|
|
.demand('f')
|
|
.alias('f', [ 'file', 'filename' ])
|
|
.describe('f',
|
|
"Load a file. It's pretty important."
|
|
+ " Required even. So you'd better specify it."
|
|
)
|
|
.alias('b', 'base')
|
|
.describe('b', 'Numeric base to display the number of lines in')
|
|
.default('b', 10)
|
|
.describe('x', 'Super-secret optional parameter which is secret')
|
|
.default('x', '')
|
|
.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));
|
|
});
|