looping over the files and concatenate it

Author: Mikiyas-STP

implement-shell-tools/wc/wc.py

@@ -11,5 +11,27 @@ def main():
     parser.add_argument("files", nargs="+", help="files to read")
     options = parser.parse_args()
 
+    total_lines = total_words = total_bytes = 0
+
+    for file_path in options.files:
+        try:
+            with open(file_path, "r", encoding="utf-8") as f:
+                data = f.read()
+            
+            lines = data.count("\n")
+            words = len(data.split())
+            bytes_ = len(data.encode("utf-8"))
+
+            total_lines += lines
+            total_words += words
+            total_bytes += bytes_
+
+            print(format_output(lines, words, bytes_, os.path.basename(file_path), options))
+        except Exception as e:
+            print(f"Error reading {file_path}: {e}", file=sys.stderr)
+
+    if len(options.files) > 1:
+        print(format_output(total_lines, total_words, total_bytes, "total", options))
+
 if __name__ == "__main__":
     main()