求一个在 Linux 下判断当前是否为周末的算法 - V2EX
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longtzw

求一个在 Linux 下判断当前是否为周末的算法

  •  
  •   longtzw Apr 14, 2015 3856 views
    This topic created in 4049 days ago, the information mentioned may be changed or developed.

    求一个在Linux判断当前是否为周末的算法,感激不尽!

    在google和github找了半天没找到啊,可能是方法不对:(

    9 replies    2015-04-14 20:03:30 +08:00
    jarlyyn
        1
    jarlyyn  
       Apr 14, 2015
    不提语言么……

    很多脚本语言都可以直接啊
    lululau
        2
    lululau  
       Apr 14, 2015
    `[ $(date '+%u') -gt 5 ] && echo weekends`
    windalex
        3
    windalex  
       Apr 14, 2015
    shell:date +%w
    算法: https://zh.wikipedia.org/wiki/%E8%94%A1%E5%8B%92%E5%85%AC%E5%BC%8F
    stackpop
        4
    stackpop  
       Apr 14, 2015
    用 c语言的话,已知1900-01-01是星期一,算一下天数 mod 7就出来了。

    用 Python, shell, perl 之类的语言就更简单了
    billlee
        5
    billlee  
       Apr 14, 2015   1
    C 语言版本:用 time(2) 获取当前时间 time_t,localtime(3) 把 time_t 转换成 struct tm, struct tm 中有 tm_wday 字段表示星期
    longtzw
        6
    longtzw  
    OP
       Apr 14, 2015
    @billlee 非常感谢
    longtzw
        7
    longtzw  
    OP
       Apr 14, 2015
    同时感谢各位热心的网友们:)
    dingyaguang117
        8
    dingyaguang117  
       Apr 14, 2015 via iPhone
    请搜索 蔡勒公式
    xylophone21
        9
    xylophone21  
       Apr 14, 2015
    xx脚本可以 ==> 翻脚本语音的源代码 ==> 挖出C代码
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