1、统计实现
find -type f | sed -e 's/.*\.//' | sort | uniq -c | sort -n > rst.txt
2、脚本分解
1) find -type f
regular file , 查找正规的文件
返回:./bak_network/道x网站/bak_第8章.md
b block (buffered) special
c character (unbuffered) special
d directory
p named pipe (FIFO)
f regular file
l symbolic link; this is never true if the -L option or the -follow option is in effect, unless the symbolic link is broken. If you want to search for
symbolic links when -L is in effect, use -xtype.
s socket
D door (Solaris)
2) sed -e ‘s/.*.//’
任意字符到. 替换为 空,即取得后缀名
3) sort
排序
4) uniq -c
-c, –count
prefix lines by the number of occurrences
第一列统计对应的行数
5) sort -n
compare according to string numerical value
以数字列排序
排序结果为:
1 docx
2 jar
2 part
4 xlsx
5 rar
6 PDF
17 xls
122 doc
149 zip
322 json
21305 pdf
154981 jpg
1559454 txt
3029912 html
作者:铭毅天下
转载请标明出处,原文地址:
http://blog.csdn.net/laoyang360/article/details/77860110