Implement my first own program, cat file2

Author: AhmadHmedann

implement-shell-tools/cat/cat.mjs

@@ -0,0 +1,18 @@
+import { program } from "commander";
+import { promises as fs } from "node:fs";
+
+program
+  .name("implement my own version of `cat`.")
+  .description("I do not know what I'm doing")
+  .argument("<path>", "The file path to process");
+program.parse();
+
+const argv = program.args;
+if (argv.length != 1) {
+console.error(`Expected exactly 1 argument (a path) to  be passed but got ${argv.length}`);
+process.exit(1);
+}
+const path = argv[0];
+
+const content = await fs.readFile(path, "utf-8");
+console.log(content);

implement-shell-tools/cat/package-lock.json

@@ -0,0 +1,15 @@
+{
+  "name": "cat",
+  "version": "1.0.0",
+  "description": "You should already be familiar with the `cat` command line tool.",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "commander": "^14.0.3"
+  }
+}