sorting numbers with the sort command

Question

I would like to sort the values in the following file numbers.txt, below is an example

1.1
1.2
10.0
2.2
1000.0

However when I execute the following cmd

sort numbers.txt

I get the following:

1.1
1.2
10.0
1000.0
2.2

What cmd to I need to sort the numeric values appropriately?

Answer 1

Use the -n flag to sort numerically, instead of lexicographically:

sort -n numbers.txt