Скачать или смотреть Creating a Script to Open Cygwin Terminals and Run Commands on Windows

Learn how to automate the process of opening multiple Cygwin terminals, navigating to specific directories, and executing commands effectively in Windows.
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This video is based on the question https://stackoverflow.com/q/63603792/ asked by the user 'Muhammad Usman' ( https://stackoverflow.com/u/2159159/ ) and on the answer https://stackoverflow.com/a/63610837/ provided by the user 'user1934428' ( https://stackoverflow.com/u/1934428/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Creating a Script to Open Cygwin Terminals and Run Commands on Windows

If you're a developer working in a Windows environment and leveraging Cygwin for your bash functionalities, you might have encountered the challenge of wanting to automate terminal setups. In particular, you may seek a way to open multiple Cygwin terminals, navigate to various directories, and execute specific commands within each terminal while keeping them open. Let's explore how to accomplish this task effectively.

The Problem

Your goal is to create a script that will:

Open three Cygwin terminals.

Each terminal navigates to designated directories.

Execute the command source .env followed by npm start in each terminal.

This requirement arises because the source .env command does not work properly outside Cygwin, particularly when it comes to environmental variables necessary for Node.js applications.

Suggested Solution Overview

To achieve the desired outcome, you can take advantage of the ~/.bashrc file in Cygwin. This file allows you to run commands automatically every time a new bash session starts. Here’s a step-by-step breakdown of the solution.

Step 1: Modify Your ~/.bashrc File

Add the following code snippet to your ~/.bashrc file:

[[See Video to Reveal this Text or Code Snippet]]

Explanation:

This code checks if the node_service variable is set.

It navigates to the directory corresponding to the service.

Executes npm run start if the directory exists; otherwise, it displays an error message.

Finally, it resets node_service to prevent the script from executing repeatedly.

Step 2: Create a Windows Batch Script

Now, you need to create a Windows batch script that sets the node_service variable, opens the Cygwin terminal, and triggers the commands:

[[See Video to Reveal this Text or Code Snippet]]

Key Insights:

The mintty command opens Cygwin in a new terminal window.

Each terminal starts a new bash session, where the ~/.bashrc file will execute based on the node_service variable.

Step 3: Execute the Batch Script

To run the batch script:

Save it with a .bat extension, for example, start_services.bat.

Double-click to execute or run it via the command line.

As a result of executing the batch script, you should see three Cygwin terminal windows open, each navigating to the respective directories and starting the Node.js services with their configurations loaded.

Conclusion

By implementing these steps, you can efficiently manage multiple Node.js services in Cygwin on Windows without needing to open and configure each terminal manually. This streamlined approach not only improves productivity but also enhances your development workflow.

Feel free to customize the batch script and the .bashrc file further according to your own project setups and needs. Happy coding!