How to calculate a date a week ago from today

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终归单人心
终归单人心 2021-01-13 09:08

I wanna calculate the date a week ago from today with a specific format and put it in to a variable. For example, today is Nov 21st. 2014, and I wanna print out

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  •  误落风尘
    2021-01-13 09:51

    Check Time::Piece and Time::Seconds core modules,

    use Time::Piece;
    use Time::Seconds;
    
    my $t = localtime() - ONE_WEEK;
    print $t->ymd;
    

    output

    2014-11-14
    

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