Refactor wc into single command line tool

Author: RomanSanaye

implement-shell-tools/wc/wc-3txt.js

@@ -1,28 +1,73 @@
-// Power shell commands =======> Vs <===== Js codes
-
-// wc sample-files/* 
+// Power shell commands with Js codes
 
 const fs = require("fs");
-const filePath = "./sample-files";
-const contents = fs.readdirSync(filePath);
+const args = process.argv.slice(2);
+
+let flags = [];
+let paths = [];
+
+// Check arguments: separate flags and paths
+args.forEach((arg) => {
+  if (arg.startsWith("-")) {
+    flags.push(arg);
+  } else {
+    paths.push(arg);
+  }
+});
 
 let totalLines = 0;
 let totalWords = 0;
 let totalCharacters = 0;
 
-contents.forEach((file) => {
-  const path = `${filePath}/${file}`;
+paths.forEach((file) => {
+  const content = fs.readFileSync(file, "utf-8");
+
+  const lines = content.split("\n").length - 1;
+  const words = content.trim().split(/\s+/).length;
+  const chars = content.length;
+
+  if (flags.length === 0) {
+    console.log(lines, words, chars, file);
+  } else {
+    let output = [];
 
-  const files = fs.readFileSync(path, "utf-8");
+    if (flags.includes("-l")) {
+      output.push(lines);
+    }
 
-  const lines = files.split("\n").length - 1;
-  const words = files.trim().split(/\s+/).length;
-  const chars = files.length;
+    if (flags.includes("-w")) {
+      output.push(words);
+    }
 
-  console.log(lines, words, chars, path);
+    if (flags.includes("-c")) {
+      output.push(chars);
+    }
+
+    console.log(...output, file);
+  }
 
   totalLines += lines;
   totalWords += words;
   totalCharacters += chars;
 });
-console.log(totalLines, totalWords, totalCharacters, "total");
+if (paths.length > 1) {
+  let totalOutput = [];
+
+  if (flags.length === 0) {
+    totalOutput.push(totalLines, totalWords, totalCharacters);
+  } else {
+    if (flags.includes("-l")) {
+      totalOutput.push(totalLines);
+    }
+
+    if (flags.includes("-w")) {
+      totalOutput.push(totalWords);
+    }
+
+    if (flags.includes("-c")) {
+      totalOutput.push(totalCharacters);
+    }
+  }
+
+  console.log(...totalOutput, "total");
+}