How to Compare in Notepad++ (Not Notepad)

Notepad, the simple text editor included with Windows, offers basic text manipulation but lacks built-in file comparison functionality. This article clarifies that Notepad does not support file comparison. However, a more powerful free text editor, Notepad++, does provide this feature. We’ll explore how to leverage Notepad++ for comparing files effectively.

Utilizing Notepad++ for File Comparison

Notepad++ offers a plugin called “Compare” that enables users to see the differences between two text files. Here’s how to use it:

  1. Install the Compare Plugin: If you don’t already have it, go to Plugins > Plugins Admin in Notepad++. Search for “Compare” and install it. You may need to restart Notepad++ for the plugin to take effect.

  2. Open the Files to Compare: Open both files you want to compare in Notepad++. You can have them open in separate tabs.

  3. Launch the Compare Plugin: Go to Plugins > Compare > Compare. This will open a new window displaying the two files side-by-side, highlighting the differences.

  4. Interpreting the Comparison: Differences are typically highlighted with color coding:

    • Green: Indicates lines added in the second file.
    • Red: Represents lines removed from the first file.
    • Yellow: Highlights lines that have been modified between the two files.
  5. Navigating Differences: The Compare plugin provides navigation buttons to easily jump between differences.

Understanding the Configuration File Example (Not Directly Related to Comparison)

The original text provides examples of a configuration file, likely used for setting up communication parameters for devices. While not related to file comparison in Notepad++, let’s briefly examine the sections:

  • [PORTS]: Defines various communication port configurations, including serial (COM), TCP/IP, and UDP connections. Parameters like baud rate, parity, and IP addresses are specified.

  • [SETTINGS]: Contains general system settings such as autostart behavior, timers for refreshing communication, and log file directory paths.

  • [SWITCHES]: Specifies timing and retry parameters related to switch operations, including delays, valid times, and polling intervals.

  • [FORM], [CORE], [STAFF], [CONFIG_MQ], [LOCOS]: These sections likely define user interface elements, file paths, and device-specific information.

These sections utilize a key-value pair format for configuration, making it easily readable and modifiable.

Conclusion

While Notepad doesn’t offer file comparison, Notepad++ with the Compare plugin provides a robust solution for this task. Understanding how to compare files in Notepad++ is crucial for tasks like code review, version control, and identifying configuration changes. Remember to install the Compare plugin if it’s not already included in your Notepad++ installation. The configuration file example showcases how text files are used for storing settings and parameters, often requiring careful comparison to track modifications.

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