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#!/usr/bin/env bash
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readWords() {
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declare -i int="$1"
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(( int == 0 )) && {
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printf "%s\n" "$int is 0, cant find 0 words"
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return 1
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}
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while read getWords;do
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if [[ ${#getWords} -eq $int ]];then
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printf "%s\n" "$getWords"
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fi
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done < /usr/share/dict/words
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}
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readWords 20
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