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lsコマンドでデータサイズをK, MB, GB表示する

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mysqlのバックアップを日毎に取っていた時にデータサイズの計算で迷ってしまったが、
lsコマンドのオプションでk, MB, GBなど人によって読みやすい表記にできる

$ ls -lh

manのDescriptionを見てみると-hhuman-readableという意味のようだ

man ls

-h, --human-readable
    with -l, print sizes in human readable format (e.g., 1K 234M 2G)

-l use a long listing format
k-kurikuri
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