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SQLite Backup Rotation Script
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| # usage: powershell -ExecutionPolicy Bypass -file .\sqlite_backup.ps1 -dbFile .\tobackup.db3 -backupDir .\backup | |
| # please make sure sqlite3.exe can be found in $PATH or specify it by -sqliteExe parameter | |
| Param( | |
| # https://chocolatey.org/packages/sqlite.shell | |
| [string]$sqliteExe = "sqlite3.exe", | |
| [Parameter(Mandatory = $true)] | |
| [string]$dbFile, | |
| # default same as dbFile's directory | |
| [string]$backupDir = "", | |
| # [default|fullday|fulltime] | |
| [string]$rotateType = "default" | |
| ) | |
| if (![System.IO.File]::Exists($dbFile)){ | |
| Write-Warning "dbFile not found!"; | |
| Exit 1; | |
| } | |
| if (![string]::IsNullOrEmpty($backupDir) -and ![System.IO.Directory]::Exists($backupDir)){ | |
| [System.IO.Directory]::CreateDirectory($backupDir); | |
| } | |
| switch ($rotateType){ | |
| fullday { | |
| $rotation = Get-Date -format 'yyyy-MM-dd'; | |
| break; | |
| } | |
| fulltime { | |
| $rotation = Get-Date -format 'yyyyMMddHHmm'; | |
| break; | |
| } | |
| default { | |
| $rotation = Get-Date -format 'dd'; | |
| break; | |
| } | |
| } | |
| $backupFileName = [System.IO.Path]::GetFileNameWithoutExtension($dbFile) + "." + $rotation + [System.IO.Path]::GetExtension($dbFile); | |
| $backupFilePath = [System.IO.Path]::Combine($backupDir, $backupFileName ).Replace('\','/'); | |
| Write-Host "Using SQLite Shell: [$sqliteExe] Backing up DB [$dbFile] => [$backupFilePath] ... " -NoNewline; | |
| $proc = Start-Process -FilePath $sqliteExe ` | |
| -ArgumentList $dbFile, """.backup $backupFilePath""" ` | |
| -WorkingDirectory ([System.IO.Path]::GetDirectoryName($dbFile)) ` | |
| -NoNewWindow ` | |
| -Wait ` | |
| -PassThru | |
| if ($proc.ExitCode -ne 0){ | |
| Exit $proc.ExitCode; | |
| } else { | |
| Write-Host "Done"; | |
| } |
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