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[sed]【1行野郎】連続しない複数行を抽出する (例: 1行目とパターンマッチ行)

Last updated at Posted at 2021-08-25
本シリーズのトップページ
https://qiita.com/robozushi10/items/5d1313fa11ede179ddad

概要

docker images コマンドの結果のうち、ヘッダである「1行目」と「パターン一致行」を表示させる.

$ docker images | sed -n -e '1p' -e '/^maho/p'
REPOSITORY      TAG    IMAGE ID            CREATED             SIZE
maho/webapl     0.1    714ae03094e1        17 minutes ago      66.1MB

以上.

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