Implement node function that works as script shell wc command

Author: hamdiheb

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

@@ -0,0 +1,17 @@
+{
+  "name": "wc",
+  "version": "1.0.0",
+  "description": "You should already be familiar with the `wc` command line tool.",
+  "main": "wc.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "module",
+  "dependencies": {
+    "buffer": "^6.0.3",
+    "commander": "^14.0.3"
+  }
+}

implement-shell-tools/wc/package.json

@@ -0,0 +1,28 @@
+import { program } from 'commander'
+import fs from 'fs'
+import { Buffer } from 'buffer'
+import process from 'process'
+program
+  .command('wc <file>')
+  .description('File word counts')
+  .option('-l, --line', 'print the newline counts')
+  .option('-w, --count', 'print the word counts')
+  .option('-c, --bytes', 'print the bytes counts')
+  .action((file, options) => {
+    const content = fs.readFileSync(`sample-files/${file}`, 'utf-8')
+    if (options.line) {
+      console.log(content.split('\n').length)
+    }
+    if (options.bytes) {
+      console.log(Buffer.from(content).toString('hex'))
+    }
+    if (options.count) {
+      console.log(content.split(' ').length)
+    }
+    if (options.line && file == '*') {
+      const files = fs.readdirSync('sample-files/', { withFileTypes: true })
+      console.log(files)
+    }
+  })
+
+program.parse()