Renaming files manually can be exhausting, but with PowerShell, you can batch rename multiple files in just one click on Windows! In this post, weโll walk you through a simple yet effective PowerShell script to rename files in sequence or based on specific conditions. Letโs break down the script and customize it for various use cases.
The Script:
Get-ChildItem *.png | ForEach-Object {
$newName = $_.BaseName.TrimStart('0') + $_.Extension
Rename-Item $_.FullName -NewName $newName
}
๐ Line-by-Line Breakdown:
1. Get-ChildItem *.png
-
What it does:
Retrieves all
.pngfiles in the current directory for processing.
Example:
Get-ChildItem *.jpg # To fetch all JPEG files
2. | ForEach-Object { ... }
-
What it does:
Loops through each file and applies the actions inside the curly braces
{ ... }.
Example:
Get-ChildItem *.txt | ForEach-Object {
Write-Host $_.Name
}
3. $_.BaseName.TrimStart('0') + $_.Extension
- What it does: Removes leading zeroes from the file name while keeping the file extension intact.
Example:
$newName = $_.BaseName.TrimStart('A') + $_.Extension # Removes leading 'A' characters
4. Rename-Item $_.FullName -NewName $newName
- What it does: Renames the file using its new name generated in the previous step.
Example:
Rename-Item $_.FullName -NewName "newFile_" + $_.Name # Add 'newFile_' prefix
๐ฏ Different Scenarios and Examples
1. Renaming Files by Adding a Suffix
Get-ChildItem *.txt | ForEach-Object {
$newName = $_.BaseName + '_backup' + $_.Extension
Rename-Item $_.FullName -NewName $newName
}
This script renames file.txt to file_backup.txt.
2. Changing File Extensions
Get-ChildItem *.png | ForEach-Object {
$newName = $_.BaseName + '.jpg'
Rename-Item $_.FullName -NewName $newName
}
This renames image1.png to image1.jpg.
3. Adding Sequential Numbers to Files
$counter = 1
Get-ChildItem *.png | ForEach-Object {
$newName = "image$counter" + $_.Extension
Rename-Item $_.FullName -NewName $newName
$counter++
}
This renames files sequentially like image1.png, image2.png, etc.
๐ก Conclusion
Using PowerShell in Windows, you can easily rename multiple files in sequence with just one click! Whether youโre stripping zeroes, adding suffixes, or changing file extensions, this script is a flexible and powerful tool to streamline your file renaming tasks.
Happy scripting! โก

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