摘要: #! /bin/bash#文件名:word_freg.sh#用途:计算文件中单词的词频 if [ $# -ne 1 ] then echo "Usage:$0 filename" exit -1fi filename=$1 egrep -o "\b[[:alpha:]]+\b" $filename 阅读全文
posted @ 2021-07-06 09:10 香饼 阅读(1191) 评论(0) 推荐(0)