in reply to Canadian Cryptography Contest

You are missing the loop. After adding that and usual straightforward golf tricks, plus an examination of their data set, you get down to: 
perl -pe's~(\d)(.)(.)/~chr$1*16+$2*4+$3+64~ge' DATA_FILE

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Re: Re (tilly) 1: Canadian Cryptography Contest
by jryan (Vicar) on Jan 22, 2002 at 21:27 UTC
    Ah, I was assuming a line to be pasted on the command line, you were assuming a data file (eg. an array). Whichever :)
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