jwarwick-bry/fix_repeated_filename_extensions.ps1

Created August 13, 2025 21:24

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Fix accidentally repeated filename extensions in Windows. For instance, if your Windows Explorer had the hide filename extensions option turned on, so you added filename extensions which then were actually extraneous.

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fix_repeated_filename_extensions.ps1

get-ChildItem -recurse |?{ $_.name -match "(\.[A-Z]{1,5}){2,}" } |%{ $FIXED = $_ -replace "(\.[A-Z]{1,5}){2,}",'$1' ; move-Item -verbose "$_" "${FIXED}" }

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