Node module to make data streams

Author: Saurabhdimri06

NodeBasic/Lecture09/fileHandling/index.js

@@ -0,0 +1,22 @@
+
+const fs = require("fs")
+
+fs.readFile("./input.txt",'utf-8',(err,data) => {
+ if(err)
+ {console.log(err)}
+
+ console.log("File is started to read");
+ const result = data.split("\n")
+ .filter(el => !isNaN(el))
+ .map(el => +el)
+ .reduce((acc, val) => acc + val, 0)
+
+ fs.writeFile('./output.txt', result, (err) => {
+ if (err)
+ return console.log(err)
+
+ console.log("Done")
+ })
+
+});
+