How to call a script from another script?
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What Does It Mean to Call a Script from Another Script?
In programming, it is common to call a script from another script to modularize code, reuse functionality, or streamline processes. This practice is prevalent in various scripting languages such as Shell, Python, and JavaScript. Calling a script from another script involves executing one script within another script or program, leveraging the called script's functionality.
Why Call a Script from Another Script?
There are several reasons and benefits to calling a script from another script, which include but are not limited to:
- Modularity: Breaking down a complex process into smaller, manageable pieces.
- Reusability: Reducing redundancy by reusing code across multiple scripts.
- Maintainability: Making it easier to manage and understand by compartmentalizing functions.
- Separation of Concerns: Keeping functionality independent and focused on a single task.
Methodology
The approach to call a script from another script varies depending on the language in use. Here are some common methods employed in various programming environments:
Shell Scripts
In Unix-like operating systems, shell scripts are often used to call other shell scripts. This can be done using `source`, `.`, or by simply calling the script via its path.
- Using Import:
- Using exec():
- Using require:
- Using import (ES6):

