for my $p (  @patterns  ) {
    my $found= 0;
    for my $last (  ( grep /$p/, @values )[-1]  ) {
        $last .= '.'; # whatever mod you want
        $found= 1;
    }
    push @values, "string $p"
        if  ! $found;
}

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- tye        

In reply to Re^5: modify list through grep (slice) by tye
in thread modify list through grep by syntactic

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