文件操作 - wordfreq.awk
返回文件管理
返回主菜单
删除本文件
文件: /usr/share/doc/gawk/examples/prog/wordfreq.awk
编辑文件内容
# wordfreq.awk --- print list of word frequencies { $0 = tolower($0) # remove case distinctions # remove punctuation gsub(/[^[:alnum:]_[:blank:]]/, "", $0) for (i = 1; i <= NF; i++) freq[$i]++ } END { sort = "sort -k 2nr" for (word in freq) printf "%s\t%d\n", word, freq[word] | sort close(sort) }
修改文件时间
将文件时间修改为当前时间的前一年
删除文件