I have a command (cmd1) that greps through a log file to filter out a set of numbers. The numbers are in random order, so I use `sort -gr`

to get a reverse sorted list of numbers. There may be duplicates within this sorted list. I need to find the count for each unique number in that list.

For example, if the output of cmd1 is

```
100 100 100 99 99 26 25 24 24
```

I need another command that I can pipe the above output to, so that I get :

```
100 3 99 2 26 1 25 1 24 2
```