Read From Stdin Lines
Easy
NodeJS
CLI Tools & Debugging
34 views
Problem Statement
Read all stdin, split into lines, and print count.
Input Format
stdin: any text.
Output Format
Print integer.
Example
a\ b\
2
Constraints
Trim ending newline correctly.
Input / Output Format
Input Format
stdin: any text.
Output Format
Print integer.
Constraints
Trim ending newline correctly.
Examples
Input:
a\
b\
Output:
2
Example Solution (Public)
const fs = require('fs');
const text = fs.readFileSync(0, 'utf8');
if (!text) process.exit(0);
const lines = text.replace(/\
/g, '').split('\
');
if (lines.length && lines[lines.length - 1] === '') lines.pop();
console.log(lines.length);
Official Solution Code
const fs = require('fs');
const text = fs.readFileSync(0, 'utf8');
if (!text) process.exit(0);
const lines = text.replace(/\
/g, '').split('\
');
if (lines.length && lines[lines.length - 1] === '') lines.pop();
console.log(lines.length);
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