Nodejs build-in module fs (read & write file)

lecaoquochung · Jul 22, 2016 · 5dee2e7 · 5dee2e7
1 parent e8893a7
commit 5dee2e7
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diff --git a/example/data.txt b/example/data.txt
@@ -0,0 +1 @@
+Hello world!
diff --git a/example/server.js b/example/server.js
@@ -1,7 +1,20 @@
 var http = require('http');
+var fs = require('fs');
 
 http.createServer(function (req,res){
   res.writeHead(200, {'Content-Type': 'text/plain'});
   res.end('Hello World\n')
 }).listen(9000,'127.0.0.1');
 console.log('Server is running at http://127.0.0.1:9000');
+
+// write file
+fs.writeFile('data.txt', 'Hello world!', function (err){
+  if(err) {throw err;}
+  console.log('It is saved!');
+});
+
+// read file
+fs.readFile('data.txt', function(err, data){
+  if(err) throw err;
+  console.log(data.toString());
+});