How to sort strings that contain a common prefix and suffix numerically from Bash?

Question

Here is a list of files:

some.string_100_with_numbers.in-it.txt
some.string_101_with_numbers.in-it.txt
some.string_102_with_numbers.in-it.txt
some.string_23_         


        

Answer 1

Try the following:

sort -t '_' -k 2n

• -t '_' (sets the delimiter to the underscore character)
• -k 2n (sorts by the second column using numeric ordering)

DEMO.