PowerShell oneliners

snippets.ps1

# Get all files in two depths with an m4v, change it to .mp4
Get-ChildItem */*.m4v | Rename-Item -NewName {$_.Name -Replace '\.m4v$', '.mp4'}

# Remove all mp4 / jpg files with integer-only names
Get-ChildItem -File */* | Where {$_.Name -Match "^[0-9]+\.(jpg|mp4)"} | Remove-Item

# Count all files in two depths
(Get-ChildItem */* | Measure-Object).Count

# Find all files in two depths created since the last day
(Get-ChildItem */*) | Where {$_.CreationTime -gt (Get-Date).AddDays(-1)}

# Find specific file in two depths
(Get-ChildItem */* | Where {$_.Name -eq "filename.jpg"}).FullName

# Generate sorted table for file count.
$folderTable = Get-ChildItem "folderpath" | ForEach-Object {
    [PSCustomObject]@{
        FolderName = $_.BaseName
        FileCount = (Get-ChildItem $_ | Measure-Object).Count
    }
} | Sort-Object -Property FileCount -Descending