diff --git a/url_extractor.py b/url_extractor.py
index b7de15e..29deac6 100644
--- a/url_extractor.py
+++ b/url_extractor.py
@@ -19,15 +19,18 @@ def process_file(file, directory_path, output_file_path, keyword, counter_lock,
         print(f"Skipping {file_path}. Unsupported file extension.")
         return
 
-    process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, text=True)
+    # Load the entire file content into memory
+    try:
+        file_content = subprocess.check_output(command, shell=True, text=True)
+    except subprocess.CalledProcessError as e:
+        print(f"Error processing {file_path}: {e}")
+        return
 
     # Stream the output line by line and append to the output file
     with open(output_file_path, "a") as output_file:
-        for line in process.stdout:
+        for line in file_content.splitlines():
             if keyword in line:
-                output_file.write(line)
-
-    process.wait()  # Wait for the process to finish
+                output_file.write(line + '\n')
 
     # Update the processed files count
     with counter_lock:
@@ -81,4 +84,4 @@ with ThreadPoolExecutor(max_workers=num_concurrent_instances) as executor:
     for future in futures:
         future.result()
 
-print(f"\nAll files processed. Matching lines appended to {output_file_path}")
\ No newline at end of file
+print(f"\nAll files processed. Matching lines appended to {output_file_path}")