utility script for bulk replacement of text bits in several files

replace_text.py

+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Useful in order to edit
+# a set of config files all at once
+
+# https://stackoverflow.com/questions/74191831/how-to-replace-a-text-with-another-text-in-several-txt-files-at-the-same-time
+
+import glob
+import os
+
+# Input and output text files
+pathSource = "./config_files/"
+pathDest = "./config_files_new/"
+textFiles_Source = glob.glob(pathSource+"*.json") 
+textFiles_Dest = [i.replace(pathSource,pathDest) for i in textFiles_Source]
+
+if not os.path.exists(pathDest):
+    os.makedirs(pathDest)
+
+# searched text and replacement text
+search_text = '"nens": 20'
+replace_text = '"nens": 200'
+
+# Loop over each text file in our list from above
+for source,dest in zip(textFiles_Source,textFiles_Dest):
+    # Opening our text file in read only
+    # mode using the open() function
+    with open(source, 'r') as file:
+    
+        # Reading the content of the file
+        # using the read() function and storing
+        # them in a new variable
+        data = file.read()
+    
+        # Searching and replacing the text
+        # using the replace() function
+        data = data.replace(search_text, replace_text)
+    
+    # Opening our text file in write only
+    # mode to write the replaced content
+    with open(dest, 'w') as file:
+    
+        # Writing the replaced data in our
+        # text file
+        file.write(data)