Using splice is easier than doing it with for(;;). 
sub ChainSubs{
    local $_ = shift;
    while(@_) {
        my ($s, $t) = splice @_, 0, 2;
        s/$s/$t/g;
    }
    return $_;
}

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Makeshifts last the longest.

In reply to Re^2: Chaining string ops by Aristotle
in thread Chaining string ops by traveler

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