• 3 Posts
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Joined 7 个月前
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Cake day: 2025年3月27日

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  • Explanation

    • [ is an alias for the program test, so you can call man test for more info.
    • && is bash syntax for conjunction. In A && B, B will only be called if A returned a exit code >0 (error). You can call man bash for more info.
    • || is bash syntax for disjunction. In A || B, B will only be called if A returned exit code =0 (success).
    • true and false are programs that just return exit codes 0 respectively 1.