Update rjj.py

Author: calcuis

rjj.py

@@ -1,6 +1,6 @@
 # !/usr/bin/env python3
 
-__version__="0.9.7"
+__version__="0.9.8"
 
 import argparse, io, os, json, csv, glob, hashlib, warnings, base64, random, math
 from sklearn.base import BaseEstimator, TransformerMixin
@@ -25,6 +25,43 @@ def list_html_files():
 def list_python_files():
     return [f for f in os.listdir() if f.endswith('.py')]
 
+def list_data_files():
+    files = [f for f in os.listdir('.') if os.path.isfile(f) and f.endswith(('.txt', '.csv', '.json'))]
+    return files
+
+def data_file_reader(file_name):
+    if file_name.endswith('.txt'):
+        with open(file_name, 'r', encoding='utf-8') as f:
+            print(f.read())
+    elif file_name.endswith('.csv'):
+        with open(file_name, 'r', encoding='utf-8') as f:
+            reader = csv.reader(f)
+            for row in reader:
+                print(row)
+    elif file_name.endswith('.json'):
+        with open(file_name, 'r', encoding='utf-8') as f:
+            data = json.load(f)
+            print(json.dumps(data, indent=4))
+    else:
+        print("Unsupported file format.")
+
+def read_data_file():
+    files = list_data_files()
+    if not files:
+        print("No .txt, .csv, or .json files found in the current directory.")
+        return
+    print("Available files:")
+    for i, file in enumerate(files, 1):
+        print(f"{i}. {file}")
+    try:
+        choice = int(input("Select a file by number: ")) - 1
+        if 0 <= choice < len(files):
+            data_file_reader(files[choice])
+        else:
+            print("Invalid selection.")
+    except ValueError:
+        print("Please enter a valid number.")
+
 def py_minifier(file_path):
     import ast, pyminify
     try:
@@ -3675,6 +3712,7 @@ def __init__():
     subparsers.add_parser('glue', help='glue timestamp')
     subparsers.add_parser('code', help='encode or decode')
     subparsers.add_parser('json', help='join all json up')
+    subparsers.add_parser('read', help='read data file')
     subparsers.add_parser('join', help='join it up')
     subparsers.add_parser('home', help='go home')
     args = parser.parse_args()
@@ -3718,6 +3756,8 @@ def __init__():
         joint()
     elif args.subcommand == 'code':
         base64codeHandler()
+    elif args.subcommand == 'read':
+        read_data_file()
     elif args.subcommand == 'json':
         json_merger()
     elif args.subcommand == 'txt':