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Mass-rename files recursively

/ Published in: Windows PowerShell
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How to use:

1. In Powershell, change dir to the working directory of files in folders to rename.
2. Replace FILEXT, FROM, and TO parameters.
* FILEXT = file extension
* FROM = string to replace
* TO = string to replace with
3. Execute the command.


What this will do:

1. Goes into a folder.
2. Finds files with the FILEXT extension.
3. Finds the FROM substring of the found files.
4. Replaces the substring with the TO string.
5. Goes back to the current/parent directory.
6. Redo these steps until all folders are entered.

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  1. get-childItem -recurse | Where {$_.extension -eq ".FILEXT"} | rename-item -newname { $_.name -replace "FROM","TO" }
  2.  
  3. Example
  4. PS C:\Users\GIS\Heartland\docs\Agreements> get-childItem -recurse | Where {$_.extension -eq ".pdf"} | rename-item -newname { $_.name -replace "ALS","ALSCorp" }

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