Arthur Camberlein >> SEO & Data articles >> Diff date usage in Python

Diff date usage in Python

Written by Arthur Camberlein | Published on & updated on 

import difflib
import pandas as pd
from datetime import date

date = date.today()
today = date.strftime("%Y-%m-%d")
document = today + "-diff"
document_txt = "data/" + document + ".txt"
document_csv = "data/" + document + ".csv"

with open('robots-live.txt') as robots_live, open('robots-staging2.txt') as robots_staging:
    diff = difflib.unified_diff(
        robots_live.readlines(),
        robots_staging.readlines(),
        fromfile='robots-live.txt',
        tofile='robots-staging.txt',
    )

# for line in diff:
#     print(line)

with open(document_txt, 'w') as outfile:
    for line in diff:
        outfile.write(line)

df = pd.DataFrame(diff, columns=['diff'])
df.to_csv(document_csv, index=False)
Back to blog

Learn more with the article FAQ

Diff date usage in Python - FAQs

Blog post topic:  Data, Python: the language and the tool to help you!

Written by

With more than 10 years of experience in Marketing, Web Marketing and SEO, Arthur is specialized in Tech SEO and Data Analysis. He is currently working at Shopify, but all the views on this blog & website are his own.

Related Articles

Are .parquet files better than .csv files?

Are .parquet files better than .csv files?

Whether Parquet files are better than CSV files depends on the specific use case and requirements. And also to who you will send the file! When may .csv files be better than .parquet files? CSV files are a simple and widely used file format for storing tabular data. They are...

Difference between python --version and python -v

Difference between python --version and python -v

Difference between python --version and python -v. These two commands have completely different purposes: python --version Shows the Python interpreter's version number Example output: Python 3.9.7 This is the standard way to check which version of Python you're running It's equivalent to python -V (capital V) python -v Activates verbose...

When to use !pip, %pip or !uv in Python?

When to use !pip, %pip or !uv in Python?

For Jupyter Notebooks, the modern approach is: %pip install such as %pip install ShopifyAPI. %pip is a magic command The `%pip is called a "magic command" and it is preferred over `!pip` because it ensures the package is installed in the same Python environment that the kernel is using. But...