spark: add text_stats.py utility for counting lines/words/chars in text files

wizard-work/spark/text_stats.py

@@ -10,7 +10,7 @@ def analyze_text(filepath):
     try:
         with open(filepath, 'r', encoding='utf-8', errors='replace') as f:
             content = f.read()
-        lines = len(content.splitlines())
+        lines = content.count('\n')
         words = len(content.split())
         chars = len(content)
         return lines, words, chars