ch-1.lua « lua « stuart-little « challenge-031 - github/perlweeklychallenge-club.git - Unnamed repository; edit this file 'description' to name the repository.

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#!/usr/bin/env lua

-- run <script> <numerator> <denominator>

local frac=arg[1]/arg[2]
print((frac ~=frac or frac==math.huge or frac==-math.huge) and "divided by zero" or frac)