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CSVファイルの分割

Last updated at Posted at 2024-03-25

概要

大量データのCSVファイルを分割する。
PowerShellにて以下のコマンドを実行する(1000000行単位で分割)。

$i=1; Get-Content sample.csv -ReadCount 1000000 | % {$_ | Out-File "sample$i.csv"; $i++}
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