Linux C 实现命令,加参数,参数后加值,解析命令行! - V2EX
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mch0dmin
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Linux C 实现命令,加参数,参数后加值,解析命令行!

  •  
  •   mch0dmin 2017-09-07 16:45:57 +08:00 4196 次点击
    这是一个创建于 2970 天前的主题,其中的信息可能已经有所发展或是发生改变。

    想用 linux C 实现类似这样的命令: mysql -u "root" -p "123456"

    请大家给点思路,谢谢!

    10 条回复    2017-09-08 09:39:40 +08:00
    Death
        1
    Death  
       2017-09-07 16:54:16 +08:00
    getopt
    argp
    suboptions
    这几个库都可以
    andychen20121130
        2
    andychen20121130  
       2017-09-07 17:02:33 +08:00   1
    main(argc *c ,argv[])
    mch0dmin
        3
    mch0dmin  
    OP
       2017-09-07 17:05:23 +08:00
    @Death 主要是想实现-u 后面加值,可以实现吗?
    Sanko
        4
    Sanko  
       2017-09-07 17:06:44 +08:00 via Android
    getopt +正则捂脸!
    tsl0922
        5
    tsl0922  
       2017-09-07 17:08:14 +08:00
    给你一个自己写的 C 程序里的 getopt 例子: https://github.com/tsl0922/ttyd/blob/master/src/server.c#L236
    seers
        6
    seers  
       2017-09-07 17:09:57 +08:00
    ```
    #include <stdio.h>
    int main (int argc, char *argv []) {
    int i;
    for (i = 1; i < argc; i++) {
    printf ("%s%s", argv [i], (i < argc -1) ? " " : "");
    }
    printf ("\n");
    return 0;
    }
    ```
    forcecharlie
        7
    forcecharlie  
       2017-09-07 18:30:54 +08:00
    alqaz
        8
    alqaz  
       2017-09-08 09:35:15 +08:00
    mch0dmin
        9
    mch0dmin  
    OP
       2017-09-08 09:39:15 +08:00
    @forcecharlie 谢谢这么详细的回答,非常感谢,我慢慢消化。
    mch0dmin
        10
    mch0dmin  
    OP
       2017-09-08 09:39:40 +08:00
    @tsl0922 非常感谢!
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