Added usage examples to README and enhanced Remove-OldItem to display file size during dry run

Author: alan-null

README.md

@@ -7,5 +7,27 @@ PowerShell module for cleaning disk space.
 
 To learn about available cmdlets head to: [**docs/Public Cmdlets**](doc/Public-Cmdlets.md)
 
+## Usage examples
+
+```powershell
+# Install the module (PowerShell 5.1+ / PowerShell 7+)
+Install-Module -Name WindowsDiskCleanup -Scope CurrentUser
+
+# Import the module into the current session
+Import-Module WindowsDiskCleanup
+
+# List all commands provided by the module
+Get-Command -Module WindowsDiskCleanup
+
+# Dry run - show which IIS log files would be removed older than 100 days
+Remove-IISLog -Days 100 -DryRun
+```
+
+Alternatively, you can run complete cleanup with default settings:
+
+```powershell
+cls;.\main.ps1 -DryRun
+```
+
 ## License
 [MIT License](LICENSE.md) © Alan Płócieniak

WindowsDiskCleanup/Public/Remove-OldItem.ps1

@@ -24,7 +24,8 @@ function Remove-OldItem {
 
         if (($now - $File.CreationTimeUtc).TotalDays -gt $Days) {
             if ($DryRun) {
-                Write-Host "[Dry] Removing $($File.FullName)" -ForegroundColor Yellow
+                $size = Get-ItemSize -Path $File.FullName -Unit MB
+                Write-Host "[Dry] Removing $($File.FullName) [$size MB]" -ForegroundColor Yellow
             }
             else {
                 Remove-Item -Path $File.FullName -Force -Recurse

main.ps1

@@ -0,0 +1,31 @@
+param(
+    [switch]$DryRun
+)
+
+Import-Module .\WindowsDiskCleanup\WindowsDiskCleanup.psm1 -Force
+
+$spaceBeforeGB = Get-DiskSpace -SpaceType Free -Unit GB
+Write-Host "Free Space Before: $spaceBeforeGB GB" -ForegroundColor Green
+
+$removeCommands = @(
+    @{ Cmd = "Remove-TempASPNETFile"; Days = 30 },
+    @{ Cmd = "Remove-IISLog"; Days = 7 },
+    @{ Cmd = "Remove-ChromiumTempData"; Days = 60 },
+    @{ Cmd = "Remove-DebugDiagLogs"; Days = 60 }
+)
+
+foreach ($command in $removeCommands) {
+    if ($DryRun) {
+        write-Host "Executing $($command.Cmd) in Dry Run mode...[days>$($command.Days)]" -ForegroundColor Cyan
+        & $command.Cmd -Days $command.Days -DryRun
+    }
+    else {
+        & $command.Cmd -Days $command.Days
+    }
+}
+
+$spaceAfterGB = Get-DiskSpace -SpaceType Free -Unit GB
+$savingsGB = [math]::Round($spaceAfterGB - $spaceBeforeGB, 2)
+
+Write-Host "Free Space After: $spaceAfterGB GB" -ForegroundColor Green
+Write-Host "Disk Space Freed: $savingsGB GB" -ForegroundColor Yellow