How to count the occurrences of a number?

标签：ar   on   file   c   ca   oc   br   ant   count   

I have a file, consisting of a column of numbers, some of which are the same, I want to count the occurrences of each unique number, here is the simple way:

cat filename | sort | uniq -c

Be sure that the numbers are in a column.

How to count the occurrences of a number?

标签：ar   on   file   c   ca   oc   br   ant   count   

原文地址：http://www.cnblogs.com/wujingcqu/p/4078413.html