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December 3, 2024 03:52
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[PowerShell] FileSystemWatcherで特定のフォルダを監視するサンプル
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| Import-Module BurntToast | |
| $Global:WatchFolder = 'D:\Test\WatchFolder' | |
| $Watcher = New-Object System.IO.FileSystemWatcher | |
| $Watcher.NotifyFilter = [System.IO.NotifyFilters]::LastWrite -bor [System.IO.NotifyFilters]::FileName -bor [System.IO.NotifyFilters]::DirectoryName | |
| $Watcher.IncludeSubdirectories = $true | |
| $Watcher.Path = $Global:WatchFolder | |
| $Watcher.Filter = '' | |
| $Action = { | |
| $TargetFile = $Event.SourceEventArgs.Name | |
| switch ($Event.SourceEventArgs.ChangeType) { | |
| $([System.IO.WatcherChangeTypes]::Created) { | |
| $EventName = '作成' | |
| } | |
| $([System.IO.WatcherChangeTypes]::Deleted) { | |
| $EventName = '削除' | |
| } | |
| $([System.IO.WatcherChangeTypes]::Changed) { | |
| $EventName = '変更' | |
| } | |
| $([System.IO.WatcherChangeTypes]::Renamed) { | |
| $EventName = 'リネーム' | |
| } | |
| } | |
| $Message = ("""{0}""が{1}されました" -f $TargetFile, $EventName) | |
| New-BurntToastNotification -Text $Message -Header (New-BTHeader -Id 1 -Title ("""{0}""監視" -f $Global:WatchFolder)) | |
| Write-Host ("{0:yyyy/MM/dd hh:mm:ss}: {1}" -f (Get-Date), $Message) | |
| } | |
| $SID_Created = 'FileWatch_Created' | |
| $SID_Deleted = 'FileWatch_Deleted' | |
| #$SID_Changed = 'FileWatch_Changed' | |
| $SID_Renamed = 'FileWatch_Renamed' | |
| Register-ObjectEvent $Watcher 'Created' -SourceIdentifier $SID_Created -SupportEvent -Action $Action | |
| Register-ObjectEvent $Watcher 'Deleted' -SourceIdentifier $SID_Deleted -SupportEvent -Action $Action | |
| #Register-ObjectEvent $Watcher 'Changed' -SourceIdentifier $SID_Changed -SupportEvent -Action $Action | |
| Register-ObjectEvent $Watcher 'Renamed' -SourceIdentifier $SID_Renamed -SupportEvent -Action $Action | |
| Write-Host ("{0:yyyy/MM/dd hh:mm:ss}: 監視開始" -f (Get-Date)) | |
| $Watcher.EnableRaisingEvents = $true | |
| try { | |
| # 無限待ち(Ctrl+Cで中断) | |
| While ($true) { | |
| Start-Sleep 1 | |
| } | |
| } | |
| finally { | |
| $Watcher.EnableRaisingEvents = $false | |
| Write-Host ("{0:yyyy/MM/dd hh:mm:ss}: 監視停止" -f (Get-Date)) | |
| Unregister-Event -SourceIdentifier $SID_Created -Force | |
| Unregister-Event -SourceIdentifier $SID_Deleted -Force | |
| #Unregister-Event -SourceIdentifier $SID_Changed -Force | |
| Unregister-Event -SourceIdentifier $SID_Renamed -Force | |
| $Watcher.Dispose() | |
| } |
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