02_advanced/uebungen/u12_mehrere-dateien-auslesen/index.js

@@ -1,6 +1,34 @@
-// const getFileBy = (path, encoding = 'utf-8') => {
+import fs from 'node:fs';
 
-// };
+const getFileBy = (path = '', encoding = 'utf-8') => {
+  return new Promise((resolve, reject) => {
+    fs.readFile(path, encoding, (error, data) => {
+      if (error) {
+        reject(error);
+      } else {
+        resolve(data);
+      }
+    });
+  });
+};
+
+Promise.all([
+  getFileBy('./data/file01.txt'),
+  getFileBy('./data/file02.txt'),
+  getFileBy('./data/file03.txt'),
+  // getFileBy('./data/file_03.txt'),
+  getFileBy('./data/file04.txt'),
+  getFileBy('./data/file05.txt'),
+  getFileBy('./data/file06.txt'),
+])
+  .then((data) =>
+    data.forEach((data) => {
+      console.log(data);
+    }),
+  )
+  .catch((error) => {
+    console.log(error);
+  });
 
 /*