clean_temp.ps1

# Recursively deletes files older than X days (bypassing the Recycle Bin) in specified folder
# by https://t.me/wincmd64

# User variables
$test = 1    # TEST MODE. Set to 0 for real deleting!
$dir = "$env:TEMP"    # Folder to search files
$days = 7    # Older than day(s)
$log_file = "$PSScriptRoot\clean.log"    # Path to log file

# Logging timestamp
$DT = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
Add-Content -Path $log_file -Value "`r`n[$DT]`r`n"

# Logging files to delete
$count = 1
$filesToDelete = Get-ChildItem -Path $dir -File -Recurse | Where-Object { $_.LastWriteTime -lt (Get-Date).AddDays(-$days) }
if ($filesToDelete.Count -eq 0) {
    Add-Content -Path $log_file -Value "No files found to delete."
} else {
    foreach ($file in $filesToDelete) {
        if ($test -eq 1) {
            # WhatIf mode (simulation)
            Add-Content -Path $log_file -Value "$count. $($file.FullName) $($file.LastWriteTime) - WhatIf"
            $count++
        } else {
            # Perform actual deletion
            try {
                Remove-Item -Path $file.FullName -Force -ErrorAction Stop
                Add-Content -Path $log_file -Value "$count. $($file.FullName) $($file.LastWriteTime)"
                $count++
            } catch {
                Add-Content -Path $log_file -Value "Error deleting $($file.FullName): $_"
            }
        }
    }
}