题解 | #统计每个单词出现的个数#
统计每个单词出现的个数
https://www.nowcoder.com/practice/ad921ccc0ba041ea93e9fb40bb0f2786
#!/bin/bash
declare -A wordCount
while IFS=' ' read -r -a words
do
for word in "${words[@]}"
do
#关联数组保存单词和对应个数
((wordCount[$word]++))
done
done < nowcoder.txt
for word in "${!wordCount[@]}"
do
#打印单词和个数
echo "$word ${wordCount[$word]}"
#将输出的内容按照单词词频按升序排列
done | sort -k2n
exit 0
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