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fourdollars/num.sh

Last active November 23, 2016 12:42
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Print numbers in sequence without repeated digits. https://www.ptt.cc/bbs/Programming/M.1479904715.A.DD6.html
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num.sh
#! /usr/bin/env bash
read -p 'Enter a number : ' num
seq $((10**num)) | egrep -v "([0-9]).*\1" | xargs echo | sed 's/ /, /g'
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