On Unix, find if user who executed the program is root?

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别那么骄傲
别那么骄傲 2021-02-18 13:54

I\'m writing a rake script and would like to detect (using Ruby rather than bash if possible) if the user who executed the rake script has root privileges.

If it is not

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  •  醉梦人生
    2021-02-18 14:05

    I don't know Ruby, but what you want to check for is if the user ID is 0. In C, you would do this by checking getuid(). From the Unix command line, you could also check the output of id -u.

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