length works

reverse works

Funny definition of "works": 

$a=''; $a .= chr 1<<$_ for 0 .. 63;;

print length $a;;
64

$a = reverse $a;;
Malformed UTF-8 character (byte 0xfe) in reverse

print length $a;;
75

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In the absence of evidence, opinion is indistinguishable from prejudice.
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In reply to Re^42: Interleaving bytes in a string quickly by BrowserUk
in thread Interleaving bytes in a string quickly by BrowserUk

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