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Re: One-liner to join keys on a two-dimensionnal hash ?

by LanX (Sage)
on Dec 29, 2021 at 15:31 UTC ( #11140011=note: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
use warnings;
...
my $expr = join '|', map {keys %$_} values %replaces;

print $expr;

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