Printing Perl Hash Keys

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难免孤独
难免孤独 2021-02-07 11:37

I am trying to print out my Hash Keys in Perl, one per line. How would I go about doing this?

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  •  囚心锁ツ
    2021-02-07 12:21

    We can done this by using map function.

    map {print "$_\n"} keys %hash; 
    

    map function process its statement for every keys in the hash.

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