in reply to Re^2: delete multiple occurrences
in thread delete multiple occurrences

my @anew = map {
    $_ == 0
    || $b[ $_ -1 ] ne 'z'
    || $b[ $_    ] ne 'z'
        ? $a[ $_ ] : ()
} 0 .. $#a;

[download]
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In Section Seekers of Perl Wisdom