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<oerjan> learn An union is the opposite of an ion.
author HackBot
date Thu, 13 Oct 2016 00:22:40 +0000
parents b9ced0a7783a
children
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#!/bin/bash
declare {{a..h},{j..t}}="$((i++))" letters=({{a..h},{j..t}}); while read -r; do echo "${letters[18-${REPLY:0:1}]}$((20-${REPLY:1}))"; done