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nodejs readfile

Restu Wahyu Saputra answered on April 21, 2020 Popularity 8/10 Helpfulness 1/10

answer nodejs readfile

nodejs readfile

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const fs = require('fs')
const path = require('path')

function renameFile() {
	let now = new Date()

	let year = now.getFullYear()
	let month = ('0' + (now.getMonth() + 1)).slice(-2)
	let day = ('0' + now.getDate()).slice(-2)
	let hour = ('0' + now.getHours()).slice(-2)
	let minute = ('0' + now.getMinutes()).slice(-2)
	let second = ('0' + now.getSeconds()).slice(-2)
	let milliseconds = now.getMilliseconds()

	let userId = '100'
	if (process.argv.length > 0) {
		userId = process.argv[process.argv.length - 1].split('=')[1]
	}

	return `img_web_${userId}_${year}${month}${day}_1707${hour}${minute}${second}${milliseconds}.jpg`
}

if (!process.env.INPUT_IMG_DIR) {
	throw new Error('Image input dir not exist')
} else if (!process.env.OUTPUT_IMG_DIR) {
	throw new Error('Image output dir not exist')
}

const inputDir = path.resolve(process.env.INPUT_IMG_DIR)
const outputDir = path.resolve(process.env.OUTPUT_IMG_DIR)

const fileName = fs
	.readdirSync(inputDir)
	.filter((val) => ['.jpg', '.jpeg', '.png'].includes(path.extname(val)))
	.join('')

const fileStream = fs.createReadStream(path.join(inputDir, '/', fileName))
const fileWriteStream = fs.createWriteStream(path.join(outputDir, '/', renameFile()))

fileStream
	.pipe(fileWriteStream)
	.on('pipe', () => {
		console.log('File process to recreate')
	})
	.on('finish', () => {
		fs.unlinkSync(path.join(inputDir, '/', fileName))
		console.log('File finish to recreate')
	})

Popularity 8/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript readfile

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Contributed on Feb 07 2024

Restu Wahyu Saputra

0 Answers Avg Quality 2/10

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nodejs readfile

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const fs = require('fs');

fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => {
  if (err) {
    console.error(err);
    return
  }
  console.log(data);
});

Popularity 10/10 Helpfulness 8/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 30 2020

Light Locust

0 Answers Avg Quality 2/10

readfile nodejs

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const fs = require('fs')

try {
  const data = fs.readFileSync('/Users/joe/test.txt', 'utf8')
  console.log(data)
} catch (err) {
  console.error(err)
}

Popularity 10/10 Helpfulness 4/10 Language javascript

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Tags: javascript j

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Contributed on Apr 18 2022

Ofir Salem

0 Answers Avg Quality 2/10

fs.readfile

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fs.readFile('filename', function read(err, data) {
    if (err) {
        throw err;
    }
    var content = data;
  
    console.log(content);  
   
});

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 21 2020

If-dev

0 Answers Avg Quality 2/10

nodejs readfile

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