single square brackets vs double square brackets in shell 發表於 2019-10-24 更新於 2024-10-23 分類於 software ， linux Disqus： 文章字數： 29 所需閱讀時間 ≈ 1 分鐘 Whathttps://stackoverflow.com/questions/669452/is-double-square-brackets-preferable-over-single-square-brackets-in-ba http://mywiki.wooledge.org/BashFAQ/031 https://scriptingosx.com/2018/02/single-brackets-vs-double-brackets/