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Renaming multiple files based on a list of names (lemy.lol)

submitted 7 months ago* (last edited 7 months ago) by BobTheDestroyer@lemy.lol to c/powershell@programming.dev

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Note: I'm a beginner to Powershell and a bit more familiar with Bash (though still a beginner for that too).

*I have multiple PDF files and I want to rename each file based on a list of names found in an Excel/CSV (could be a text file if easier) file.

*The list begins at the A2 cell and the A1 cell has the header 'name'.

*The files are in sequential order and match the order of the list of names.

Thanks for your help!

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[–] Gurfaild@feddit.de 3 points 7 months ago* (last edited 7 months ago) (2 children)

If the CSV file contains both the current names and the new names, this should work if you use the first line for column labels (I'm using OldName and NewName in this example):

Import-CSV $pathToCSV | ForEach-Object { Rename-Item $_.OldName $_.NewName }

If you just have a list of new names as a text file where the first line of the file is the new name for the first file (by name, sorted alphabetically), this should work:

$files = Get-ChildItem -File *.pdf | Sort-Object -Property Name #I think the output of Get-ChildItem is already sorted by name, but I'm not sure
$newNames = Get-Content $pathToTXT
if ($files.Count -ne $newNames.Count) {
    Write-Error "The number of PDF files to be renamed does not match the number of new names"
    exit
}
0..($files.Count - 1) | ForEach-Object { Rename-Item $files[$_] $newNames[$_] }