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francois P
Asked: 2021-01-20 05:24:39 +0800 CST

PowerShell: How to get a list of the top biggest files (of a certain type)?

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Getting the biggest file list might look like

gci -r|sort -descending -property length | select -first 10 name, length

How can I add a specific filetype selection , like ascii or formated log/json/yaml files?

And an option about selecting them only over 30days age might be also a good idea.

My goal is to accumulate filters:

  • only work on text files (ignore any other)
  • sort them by size
  • optional : sort to keep only the more than 30days old ones
  • keep & list the 10 biggest ones.

I can compare that need to that linux command line that feet all of my needs :

find . -type f -ctime +30 ! -executable -exec file {} + | grep -i ASCII | du -ah | sort -rh | head -10
filesystems powershell sort

1 Answers

  1. someone gave me a solution to work around

    $refDate = (Get-Date).AddDays(-30).Date
# fill the list of binary filetypes that are most likely found
$binaries = '*.exe', '*.bin', '*.png', '*.gif', '*.jpg', '*.dll'  # I will complete here known extensions 

Get-ChildItem -File -Recurse -Exclude $binaries | 
    Where-Object {$_.LastWriteTime -lt $refDate} | 
    Sort-Object Length -Descending |
    Select-Object -First 10 | 
    Select-Object Name, Length

    this looks good, to work around

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