Converting Relative File Paths to Absolute in Node.js CLI Applications

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Understanding the Problem

For example, if your script is in some-folder and you run it from the root directory with the command:

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Here's what we need to do:

Accept the relative path as input.

The Solution

Step 1: Import Required Modules

First, you'll need to import the necessary modules, which in this case are path for path resolution and process to access command line arguments and current working directory.

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Step 2: Get the Command Line Input

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Step 3: Convert to an Absolute Path

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Complete Example

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Conclusion