The label goes before the block, which you can't do with a grep (or map) block, and besides, you are using grep in void context which makes no sense in your example.    You probably need something like this: 

NUM:
for my $i ( 1 .. 10 ) {
    for ( 0 .. $i ) {
        last NUM if $_ > 3;
    }
}

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In reply to Re: Labels at beginning of a block by jwkrahn
in thread Labels at beginning of a block by apomatix

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