Problem Formulation When reading a text file into a list using Python, one common problem is that the lines are often terminated with newline (\n) characters. This can result in a list where each element ends with a newline character. You may want a clean list without these newline characters at the end of each … Read more
⚔️ Challenge: Have you ever run a Python script and wished you could easily save its output to a text file for later review or analysis? This article provides five simple and efficient methods to redirect your Python script’s terminal output directly into a text file. Method 1: Redirection in the Command Line To redirect … Read more
📝 Properties files are simple text files used for configuring parameters and settings. They store data in key-value pairs, so you need them to set up environment-specific configurations when creating software projects. Example Property File Here’s an example of a properties file for a web scraping application. This file contains key-value pairs defining various configurations … Read more
Method 1: Multiple Context Managers To open multiple text files in Python, you can use the open() function for each file. Here’s a basic example of how to do it: In this code: Replace ‘file1.txt’, ‘file2.txt’, and ‘file3.txt’ with the actual names of your files. Background information on opening files with Python in this video: … Read more
Method 1: Three Context Managers To open three text files in Python, you can use the open() function for each file. Here’s a basic example of how to do it: In this code: Replace ‘file1.txt’, ‘file2.txt’, and ‘file3.txt’ with the actual names of your files. Background information in this video: Method 2: A Single Context … Read more
In your macOS Terminal app type the name of the editor (e.g., nano) followed by a space and the filename to open. For example, run the following command to open my_file.txt in your folder My_Folder using the following command: Alternatively, you can also run open my_file.txt to open the app associated with the file type … Read more
I just spent 10 minutes looking for the file I had written in my Python script in Google Colab. 😅 💡 Google Colab is a popular platform for data scientists and machine learning enthusiasts. You can write and execute Python code in your browser! Let’s say you want to write to a file in your … Read more
In Python, you can use the glob module’s glob.glob(pattern) function to find all the pathnames matching a specified pattern (e.g., ‘*.py’) according to the rules used by the Unix shell, which includes functionality for wildcard matching that can be used similarly to regular expressions for filename matching. Here’s a minimal example that filters out all … Read more
In this article, you will learn different methods to append data to a file (e.g., text file, log file, or config file) using Python. To start appending data to a file in Python, the most frequently used file modes are Each mode provides different levels of access and functionality for handling files. When working with … Read more
Appending data to a CSV file is a common task in data processing. But what if the CSV file doesn’t exist yet? Here’s a step-by-step guide on how to append a dictionary to a non-existent CSV file using Python’s csv module. Prerequisites: 🧑💻 Step 1: Import CSV and OS Python Libraries 🧑💻 Step 2: Check … Read more
To upload files from your local Windows machine to an Amazon EC2 instance, you can use SSH/SFTP clients like WinSCP or PuTTY’s pscp, or use the scp command from Windows Subsystem for Linux. Let’s go with the WinSCP option since it has a graphical interface and is easy to use. Here is a step-by-step guide: … Read more
Imagine you have a project that requires you to process tons of text files, and these files are scattered throughout your folder hierarchy. By the time you finish reading this article, you’ll be equipped with the knowledge to efficiently fetch all the .txt files in any folder using Python. Method 1: The Os Module The … Read more