Interesting! Your code works for me, with the same result, but when I try 
perldoc -f pack | grep %

[download]

I get only 3 lines - the same three as found searching for '%' in pack - none of which mention the use of '%' in the (un)pack template.

In reply to Re^2: CRC of a string by keszler
in thread CRC of a string by Dirk80

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