replace_string_with_text_and_keyword.py

import re
import glob

# https://www.elastic.co/blog/strings-are-dead-long-live-strings
files = glob.glob('./*19_mapping.json')
for file in files:
    print(file)
    with open(file) as f:
        text = f.read()

        text = re.sub(r'"type":(\s*)"string",(\s*)"index":(\s*)"not_analyzed"',
                       r'"type":"keyword","index":true',
                       text)

        text = re.sub(r'"type":(\s*)"string",(\s*)"index":(\s*)"analyzed"',
                       r'"type":"text","index":true',
                       text)

    with open(file, 'w') as f:
        f.write(text)