110 Umzug einer Datenbank (pg dump backup) Schulungs Test System » Replace1.ps1
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"---Starting---------------------------------------------------"
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$reader = [System.IO.File]::OpenText('C:\Temp\dumpall_xyz.sql') |
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$writer = [System.IO.StreamWriter] 'C:\Temp\dumpall_Replaced.sql' |
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$searchFor = "," |
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$replaceWith = "?" |
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[int]$count=0; [long]$bytes=0; $encoding = $null; |
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while($null -ne ($line = $reader.ReadLine())) { |
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$writer.WriteLine($line.replace($searchFor, $replaceWith)); |
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if (!$encoding) { |
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$encoding = $reader.CurrentEncoding |
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} |
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$bytes += $encoding.GetByteCount($line) |
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$count++ |
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if (($count % 10000) -eq 0) { |
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"Processed " + $count + " lines / " + [int] ( $bytes / 1048576) + " MB " |
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} |
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}
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# Zeile ausführen um Datei-Handle zu schließen, falls es Fehler gab. |
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$reader.Close(); $reader.Dispose(); $writer.Close(); $writer.Dispose(); |
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"---Done---------------------------------------------------"
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"Processed " + $count + " lines / " + [int] ( $bytes / 1048576) + " MB " |
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#Remove-Item "D:\Test.tmp" -Force
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#Rename-Item "$file.tmp" -NewName $filename
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