Скачать или смотреть Mastering Batch Script for File Renaming

Discover how to rename files in a Batch script efficiently by parsing strings. Learn step-by-step instructions to reverse date formats in filenames seamlessly.
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Mastering Batch Script for File Renaming: A Comprehensive Guide

Are you overwhelmed with the need to rename multiple files in a specific format using script commands? If your files look something like this:

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

And you want them renamed to:

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

You're in the right place! This guide will guide you through a step-by-step approach to achieve that using a Batch script while parsing strings.

Understanding the Basic Requirement

Your main goal is to reverse the date format in your file names. Using Batch scripting, you'll need to:

Identify the file names.

Parse the date component.

Rearrange the date format.

Rename the files accordingly.

Setting Up the Loop and File Search

Start by creating a loop that will scan for the files you're interested in. Here’s how you can initiate this:

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

This command does three main things:

tokens=1,2: This means you're breaking down each filename into two parts—everything before the space and everything after.

dir /A-d /b: This lists all the files in a basic format, using filters for your specific file structure.

do @ echo %%I %%J: This displays the extracted parts of each filename, which is useful for debugging.

In practice, you should see outputs akin to:

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

Parsing the Filename Components

Once you have your filenames filtered properly, the next step is to break down the date elements:

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

Breakdown of the Code

Setting the Environment: The command setlocal EnableExtensions prepares the script for using advanced features.

for /f "tokens=1,2,*": This now captures the entire part of the filename after its primary name.

Substring Extraction: The set commands extract the day, month, year, and file extension.

Constructing the New Filename: The date elements are rearranged into the desired format with set "_newFileName=%_yyyy%-%_mm%-%_dd%%_ext%".

Pre-renaming Check

Before you make any changes to the actual files, the command structured as:

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

Allows you to confirm the renaming actions. Make sure to remove @ echo before this line when you are ready to perform the renamings.

Testing Your Script

Run your script in a test environment to confirm that the changes will happen as intended. This ensures that no unintended files are renamed and that the formatting works as designed.

Conclusion

By following the steps outlined above, you should be able to rename your files quickly and effectively using Batch scripts while parsing strings for date management. This method can also be adapted for similar file renaming tasks, making it a versatile tool for future endeavors.

Happy scripting!