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generating random thruth-tables

by neniro (Priest)
on Sep 24, 2008 at 13:34 UTC ( #713422=snippet: print w/ replies, xml ) Need Help??
Description: I needed a bunch of truth-tables, with random result-rows, as exercises for logical minimization. An easy task utilizing Perl:
perl -e "print sprintf('%03b',$_).' '.int(rand()+0.5).$/ for 0..7"
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Re: generating random thruth-tables
by toolic (Bishop) on Sep 24, 2008 at 14:06 UTC
    Really no need for both print and sprintf when just printf will suffice. And while I'm at it, I'll just reach into my (perl) golf bag and club your code down some:
    perl -e'printf"%03b %b\n",$_,rand(2)for 0..7'

      You can chop one character off like perl -e'printf"%03b %b\n",$_,rand 2for 0..7'.

      I really like this - it's shorter and easier to read!

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