Implementing cat with process.argv-node feature to access what user types in terminal.

Author: SaraTahir28

implement-shell-tools/cat/cat.js

@@ -0,0 +1,13 @@
+import process from "node:process"
+import {promises as fs} from "node:fs"
+
+
+const argv = process.argv.slice(2)
+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)