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注目コメント算出アルゴリズムの一部にLINEヤフー株式会社の「建設的コメント順位付けモデルAPI」を使用しています
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BashFAQ/031 - Greg's Wiki
What is the difference between test, [ and [[ ? The open square bracket [ command (aka test comma... What is the difference between test, [ and [[ ? The open square bracket [ command (aka test command) and the [[ ... ]] test construct are used to evaluate expressions. [[ ... ]] works only in the Korn shell (where it originates), Bash, Zsh, and recent versions of Yash and busybox sh (if enabled at compilation time, and still very limited there especially in the hush-based variant), and is more pow




2016/02/02 リンク