1、統計實作
find -type f | sed -e 's/.*\.//' | sort | uniq -c | sort -n > rst.txt
2、腳本分解
1) find -type f
regular file , 查找正規的檔案
傳回:./bak_network/道x網站/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/.*.//’
任意字元到. 替換為 空,即取得字尾名
3) sort
排序
4) uniq -c
-c, –count
prefix lines by the number of occurrences
第一列統計對應的行數
5) sort -n
compare according to string numerical value
以數字列排序
排序結果為:
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:銘毅天下
轉載請标明出處,原文位址:
http://blog.csdn.net/laoyang360/article/details/77860110