nwc-l

Lighweight Node.js module for counting the number of lines in a file either sync or async. This module doesn't have any external dependencies, it uses only the native fs module.

Install with npm install nwc-l

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Documentation

wcl.sync(fileLocation);

• fileLocation - String path to the file you want to read from
• Returns: <integer> number of lines

wcl.async(fileLocation);

• fileLocation - String path to the file you want to read from
• Returns: <Promise> number of lines

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Example

const nwcl = require('nwc-l');
 
// Synchronous
let count = nwcl.sync('./myfile-7lines.txt');
console.log('Number of lines: ' + count);
 
// Asyncronious Promise
nwcl.async('./myfile-7lines.txt').then((count) => {
    console.log('Number of lines: ' + count);
});
// Asyncronious await
async function countAsync() {
    let asyncCount = await nwcl.async('./myfile-7lines.txt');
    console.log('Number of lines: ' + asyncCount);
}
countAsync();

will print

Number of lines: 7
Number of lines: 7
Number of lines: 7